Mobile Engineer Internships
Mobile engineer internships give university students, recent graduates, and early-career switchers hands-on project experience building real iOS and Android applications, mentorship from working engineers, and, at many employers, a path toward a full-time offer. Openings are concentrated across Technology & Software, with Tesla, PayPal, and TikTok among the employers posting roles now.
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See related jobsAre you looking to Optimize your life? Start your exciting path to a rewarding career today!
We are Optimum, a leader in the fast-paced world of connectivity, and we're seeking driven and enthusiastic professionals to join our team, empower lives, fuel businesses, and drive innovation. Connectivity is no longer a luxury, but a necessity.
At Optimum, co-op/intern students work on real projects with real business impact. Participants gain hands-on experience, collaborate with industry professionals, and contribute to initiatives that help shape the future of connectivity, technology, and customer experiences. Students may work on meaningful projects, gain exposure to industry-leading technologies, partner with mentors, develop professional skills, and build networks across the organization.
Program Details
- Full-time co-op/intern opportunity (Jan 2027 - Jul 2027)
- 40-hour work week
- 30-minute unpaid lunch period each workday
If you are resourceful, collaborative, and passionate about delivering consistent excellence, Optimum is for you!
Job Summary
Under general supervision, the Associate Mobile Engineer supports operations and projects for the core platforms of the Optimum Mobile service on the Mobile Core team. This role engages with vendor personnel to resolve issues, implement new features and network functions, and ensure platform stability and performance. The Associate Mobile Engineer monitors network KPIs, validates alarms, performs acceptance testing, and supports device and software certification activities—including 3GPP cellular, Wi Fi access, mobile phones, and wearables—to deliver a high-quality customer experience.
The Associate Mobile Engineer provides second-level support for assigned issues, detects and analyzes inconsistencies in internal systems that affect customers, and participates in outage response during working hours. The position will be assigned projects of small to medium scale and moderate complexity.
Responsibilities
- Develop and maintain a strong understanding of Optimum Mobile services, mobile core operations, and network architecture.
- Research technical issues and provide analytical support for projects and operational initiatives.
- Prepare and contribute to KPI reporting, acceptance testing feedback, and other operational deliverables.
- Follow established processes for operations, change management, incident management, and service assurance.
- Identify, analyze, and resolve system issues impacting customer experience.
- Provide second-level technical support for escalations, incidents, and customer-impacting issues.
- Continuously expand knowledge of mobile core technologies, devices, network services, and emerging wireless technologies.
- Utilize analytical tools and methodologies to support operational and project objectives.
- Participate in feature testing, release validation, platform optimization, and implementation activities.
- Support network operations through system monitoring, alarm validation, backup/restore processes, and maintenance activities.
- Monitor and analyze network KPIs, investigate performance anomalies, escalate issues when required, and implement corrective actions.
- Collaborate with vendors to troubleshoot issues, implement enhancements, and maintain network functionality.
- Support device testing and certification activities, including validation of cellular (3G/4G/5G), Wi-Fi Calling, smartphones, and wearable devices.
- Participate in acceptance testing and provide recommendations based on results.
- Identify opportunities to improve network performance, service quality, and customer experience.
- Assist with outage response and maintenance window activities, including occasional off-hours support.
- Execute assigned tasks using established project management and change management methodologies.
- Track and communicate project progress, risks, and status updates to management and stakeholders.
- Support project implementation, testing, and operational readiness activities.
- Create and maintain documentation related to operational procedures, test results, KPI analysis, certification activities, and process improvements.
- Ensure accuracy and completeness of records supporting operational and project requirements.
- Deliver outcomes that enhance customer satisfaction, service reliability, and operational excellence.
- Build positive, collaborative relationships with internal teams, stakeholders, and vendor partners.
- Demonstrate an understanding of the end-to-end mobile customer experience and its impact on business performance.
- Communicate effectively in a professional, open, and solution-oriented manner.
- Contribute positively to a collaborative, high-performing team environment.
- Take ownership of personal development through continuous learning and cross-training opportunities.
- Seek opportunities to improve individual and team performance.
- Demonstrate strong interpersonal, communication, and collaboration skills while working effectively across the organization.
Qualifications
- Coursework in Computer Science, Engineering, Telecommunications, or related discipline, or equivalent work experience and technical training, is required
- Interest and/or experience in mobile networks, device testing, systems analysis, and technical operations
- Familiarity with AI Tools and AI First mindset
- Knowledge or interest in learning about mobile network architecture and core platforms, including but not limited to: HLR, HSS, MME, PGW, PCRF, GGSN, OCS, OTA, SBC, S/C/I/E-SCSF, TAS
- Understanding of 3G, 4G, and 5G voice and data services, SIM cards, provisioning systems, and related BSS/service network dependencies
- Experience or demonstrated interest in device testing and certification, including:
o Wi Fi access technologies (Wi Fi, WLC, TWAG, Wi Fi Calling)
o Mobile phones and wearables interoperability and acceptance testing
- Basic understanding of signaling and transport protocols: SIP, RTP, Diameter, SS7, HTTP, RADIUS
- Basic SQL query knowledge; experience with GUI-based systems and Linux/Unix fundamentals
- Proficiency with Microsoft Office; advanced Excel skills preferred
- Good written and oral communication skills
- Results- and customer-oriented mindset with strong analytical, prioritization, and problem-solving skills
- Ability to learn quickly in a fast-paced mobile core environment
- Ability to perform multiple tasks and adjust priorities based on workload and direction from management
- Ability to organize, plan, and execute assignments under direct supervision
- Verbal and written communication skills
At Optimum, every action and interaction we take part in, is driven by our three Guiding Principles: Do What’s Right, Drive One Optimum, and Make It Happen. These aren’t just words, they help us build trust, create real community, and embrace new ways of thinking. Our employees are empowered to do the right thing for our customers and co-workers and to recognize and reward these behaviors when we see them. It’s all part of the bigger picture of “Be The Difference” where each employee knows they have the power to enact real change, share new ideas, and understand that learning never stop.
If you have the drive to succeed and are ready to embark on a thrilling career, seize this opportunity today, and join our winning team. Together, we'll shape the future of connectivity.
All job descriptions and required skills, qualifications and responsibilities for a particular position are subject to modification by the Company from time to time, in the Company’s discretion based on business necessity.
We are an Equal Opportunity Employer committed to recruiting, hiring and promoting qualified people of all backgrounds regardless of gender, race, color, creed, national origin, religion, age, marital status, pregnancy, physical or mental disability, sexual orientation, gender identity, military or veteran status, or any other basis protected by federal, state, or local law.
The Company collects personal information about its applicants for employment that may include personal identifiers, professional or employment related information, photos, education information and/or protected classifications under federal and state law. This information is collected for employment purposes, including identification, work authorization, FCRA-compliant background screening, human resource administration and compliance with federal, state and local law.
Applicants for employment with The Company will never be asked to provide money (even if reimbursable) as part of the job application or hiring process. Please review our Fraud FAQ for further details.
Pay is competitive and based on a number of job-related factors, including skills and experience. The starting pay rate/range at time of hire for this position in the posted location is $25.00/ hour. The rate/range provided herein is the anticipated pay at the time of hire and does not reflect future job opportunity.
The Company will not provide current or future sponsorship for this role.
Are you looking to Optimize your life? Start your exciting path to a rewarding career today!
We are Optimum, a leader in the fast-paced world of connectivity, and we're seeking driven and enthusiastic professionals to join our team, empower lives, fuel businesses, and drive innovation. Connectivity is no longer a luxury, but a necessity.
At Optimum, co-op/intern students work on real projects with real business impact. Participants gain hands-on experience, collaborate with industry professionals, and contribute to initiatives that help shape the future of connectivity, technology, and customer experiences. Students may work on meaningful projects, gain exposure to industry-leading technologies, partner with mentors, develop professional skills, and build networks across the organization.
Program Details
- Full-time co-op/intern opportunity (Jan 2027 - Jul 2027)
- 40-hour work week
- 30-minute unpaid lunch period each workday
If you are resourceful, collaborative, and passionate about delivering consistent excellence, Optimum is for you!
Job Summary
Under general supervision, the Associate Mobile Engineer supports operations and projects for the core platforms of the Optimum Mobile service on the Mobile Core team. This role engages with vendor personnel to resolve issues, implement new features and network functions, and ensure platform stability and performance. The Associate Mobile Engineer monitors network KPIs, validates alarms, performs acceptance testing, and supports device and software certification activities—including 3GPP cellular, Wi Fi access, mobile phones, and wearables—to deliver a high-quality customer experience.
The Associate Mobile Engineer provides second-level support for assigned issues, detects and analyzes inconsistencies in internal systems that affect customers, and participates in outage response during working hours. The position will be assigned projects of small to medium scale and moderate complexity.
Responsibilities
- Develop and maintain a strong understanding of Optimum Mobile services, mobile core operations, and network architecture.
- Research technical issues and provide analytical support for projects and operational initiatives.
- Prepare and contribute to KPI reporting, acceptance testing feedback, and other operational deliverables.
- Follow established processes for operations, change management, incident management, and service assurance.
- Identify, analyze, and resolve system issues impacting customer experience.
- Provide second-level technical support for escalations, incidents, and customer-impacting issues.
- Continuously expand knowledge of mobile core technologies, devices, network services, and emerging wireless technologies.
- Utilize analytical tools and methodologies to support operational and project objectives.
- Participate in feature testing, release validation, platform optimization, and implementation activities.
- Support network operations through system monitoring, alarm validation, backup/restore processes, and maintenance activities.
- Monitor and analyze network KPIs, investigate performance anomalies, escalate issues when required, and implement corrective actions.
- Collaborate with vendors to troubleshoot issues, implement enhancements, and maintain network functionality.
- Support device testing and certification activities, including validation of cellular (3G/4G/5G), Wi-Fi Calling, smartphones, and wearable devices.
- Participate in acceptance testing and provide recommendations based on results.
- Identify opportunities to improve network performance, service quality, and customer experience.
- Assist with outage response and maintenance window activities, including occasional off-hours support.
- Execute assigned tasks using established project management and change management methodologies.
- Track and communicate project progress, risks, and status updates to management and stakeholders.
- Support project implementation, testing, and operational readiness activities.
- Create and maintain documentation related to operational procedures, test results, KPI analysis, certification activities, and process improvements.
- Ensure accuracy and completeness of records supporting operational and project requirements.
- Deliver outcomes that enhance customer satisfaction, service reliability, and operational excellence.
- Build positive, collaborative relationships with internal teams, stakeholders, and vendor partners.
- Demonstrate an understanding of the end-to-end mobile customer experience and its impact on business performance.
- Communicate effectively in a professional, open, and solution-oriented manner.
- Contribute positively to a collaborative, high-performing team environment.
- Take ownership of personal development through continuous learning and cross-training opportunities.
- Seek opportunities to improve individual and team performance.
- Demonstrate strong interpersonal, communication, and collaboration skills while working effectively across the organization.
Qualifications
- Coursework in Computer Science, Engineering, Telecommunications, or related discipline, or equivalent work experience and technical training, is required
- Interest and/or experience in mobile networks, device testing, systems analysis, and technical operations
- Familiarity with AI Tools and AI First mindset
- Knowledge or interest in learning about mobile network architecture and core platforms, including but not limited to: HLR, HSS, MME, PGW, PCRF, GGSN, OCS, OTA, SBC, S/C/I/E-SCSF, TAS
- Understanding of 3G, 4G, and 5G voice and data services, SIM cards, provisioning systems, and related BSS/service network dependencies
- Experience or demonstrated interest in device testing and certification, including:
o Wi Fi access technologies (Wi Fi, WLC, TWAG, Wi Fi Calling)
o Mobile phones and wearables interoperability and acceptance testing
- Basic understanding of signaling and transport protocols: SIP, RTP, Diameter, SS7, HTTP, RADIUS
- Basic SQL query knowledge; experience with GUI-based systems and Linux/Unix fundamentals
- Proficiency with Microsoft Office; advanced Excel skills preferred
- Good written and oral communication skills
- Results- and customer-oriented mindset with strong analytical, prioritization, and problem-solving skills
- Ability to learn quickly in a fast-paced mobile core environment
- Ability to perform multiple tasks and adjust priorities based on workload and direction from management
- Ability to organize, plan, and execute assignments under direct supervision
- Verbal and written communication skills
At Optimum, every action and interaction we take part in, is driven by our three Guiding Principles: Do What’s Right, Drive One Optimum, and Make It Happen. These aren’t just words, they help us build trust, create real community, and embrace new ways of thinking. Our employees are empowered to do the right thing for our customers and co-workers and to recognize and reward these behaviors when we see them. It’s all part of the bigger picture of “Be The Difference” where each employee knows they have the power to enact real change, share new ideas, and understand that learning never stop.
If you have the drive to succeed and are ready to embark on a thrilling career, seize this opportunity today, and join our winning team. Together, we'll shape the future of connectivity.
All job descriptions and required skills, qualifications and responsibilities for a particular position are subject to modification by the Company from time to time, in the Company’s discretion based on business necessity.
We are an Equal Opportunity Employer committed to recruiting, hiring and promoting qualified people of all backgrounds regardless of gender, race, color, creed, national origin, religion, age, marital status, pregnancy, physical or mental disability, sexual orientation, gender identity, military or veteran status, or any other basis protected by federal, state, or local law.
The Company collects personal information about its applicants for employment that may include personal identifiers, professional or employment related information, photos, education information and/or protected classifications under federal and state law. This information is collected for employment purposes, including identification, work authorization, FCRA-compliant background screening, human resource administration and compliance with federal, state and local law.
Applicants for employment with The Company will never be asked to provide money (even if reimbursable) as part of the job application or hiring process. Please review our Fraud FAQ for further details.
Pay is competitive and based on a number of job-related factors, including skills and experience. The starting pay rate/range at time of hire for this position in the posted location is $25.00/ hour. The rate/range provided herein is the anticipated pay at the time of hire and does not reflect future job opportunity.
The Company will not provide current or future sponsorship for this role.
Mobile Engineer Internship Market
Who's Hiring
Top Industries Hiring
- Technology & Software
Tips for Your Mobile Engineer Internship Search
Apply in the fall for summer roles
Large technology and product companies open summer internship recruiting the preceding fall, often before October. Smaller companies and co-op programs post much closer to their start dates. Check listings throughout the year and apply as soon as a role opens rather than waiting until spring.
Build a portfolio before you apply
Hiring teams for mobile engineer interns expect limited work history and rely on your projects to assess your skills. Publish two or three complete iOS or Android apps with clean, documented source code on a public repository or through the App Store and Google Play so recruiters have something concrete to review.
Work your campus network alongside direct applications
Campus career fairs surface structured internship programs tied directly to your university, and your career center staff often know which employers recruit from your school before roles post publicly. Apply directly to companies running smaller cohorts at the same time so you reach employers who do not recruit on campus.
Practice coding screens out loud before you interview
Mobile engineer intern screens typically include a coding round focused on data structures and algorithms. Practice solving problems out loud, explaining each step as you go, since interviewers weigh how you reason through a problem as much as whether you reach the right answer. Work through problems in a timed environment that mirrors the real format.
Target structured new-grad and university programs early
Many larger technology and enterprise employers run dedicated university or cohort internship programs designed to train people new to the field. These programs recruit on a fixed timeline, fill their seats in the first application wave, and are competitive. Identify the ones that fit your background and submit before early deadlines close.
Set your work-type filter before you start
On-site roles are 33% of the mobile engineer internships listed here. Decide what you can realistically commit to before you search so you are not sorting through roles in cities you cannot relocate to or remote arrangements your situation does not support. Filter by location and work type first, then go through results.
Mobile Engineer Internships: Frequently Asked Questions
How do I get a mobile engineer internship?
Lead with coursework and personal projects rather than work history, since hiring teams expect limited experience at the intern level. For mobile engineer candidates, the concrete artifact that gives recruiters something to assess is a portfolio of published or linked apps, with source code on a public repository. Pair direct applications with campus career fairs, where recruiters often move faster for students they meet in person.
Can a mobile engineer internship turn into a full-time job?
Many employers extend return offers to strong interns, but conversion is never guaranteed. What actually drives it for mobile engineer interns is delivering on real project work, team headcount at the end of the summer, and how early the team makes return-offer decisions. Treat the internship as an extended interview, produce visible results, and ask your manager about the timeline without counting on a specific outcome.
When should I apply for mobile engineer internships?
Earlier than most students expect. Large tech and enterprise employers open summer internship applications the preceding fall, sometimes as early as August or September. Smaller companies and co-op programs post closer to their start dates, so openings appear year-round. Checking listings regularly and applying as soon as a role opens gives you the best chance before cohort seats fill.
Are mobile engineer internships paid?
Most professional mobile engineer internships in the United States are paid. Compensation varies by company size, industry, and location, and listings show it where the employer chooses to disclose it. Unpaid internships exist but are uncommon at established technology and product companies, so look for the compensation field in each listing before applying.
What should a mobile engineer internship resume include?
Lead with projects, not work history. Include two or three complete, documented projects that show the platforms and frameworks you used, with links to your code on a public repository or to published apps on the App Store or Google Play. Add relevant coursework in mobile development, algorithms, or software engineering, and keep the whole document to one page.
Are there remote mobile engineer internships?
Yes. Remote and hybrid roles make up 67% of the mobile engineer internship listings here, with the rest on-site. Remote cohorts fill fast because they draw applicants from across the country, so apply early and filter by work type to see them before seats close.
Can international students get mobile engineer internships?
Yes. F-1 students can intern through CPT while enrolled or through OPT work authorization after finishing a degree, and the employer does not have to file anything for either, so many companies are open to international interns. Confirm your eligibility and timing with your university's international student office before accepting an offer.
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