Application Engineer Jobs in Los Angeles, CA
Application Engineer jobs in Los Angeles are concentrated in aerospace and defense along the South Bay corridor, enterprise software in El Segundo and Culver City, and industrial automation firms in the San Fernando Valley, with strong demand from Snap, Arup, and Messer. Openings range from field-facing technical sales support to embedded systems and solutions engineering roles. Find a role that fits below and apply directly.
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Showing 5 of 280+ Application Engineer jobs
POSITION OVERVIEW
The IT Application Support Engineer is responsible for supporting, maintaining, and improving the Bank’s core banking and related business applications, with primary emphasis on Fiserv Premier and integrated financial systems. This position serves as a technical and functional liaison among business users, IT teams, Information Security, and third-party vendors; monitors application availability and scheduled processing; investigates incidents and data or interface issues; coordinates upgrades, testing, and production changes; maintains application documentation and access controls; and also supports day-to-day IT Operations and helpdesk activities as part of the IT team.
POSITION RESPONSIBILITIES
- Provide day-to-day technical and functional support for Fiserv Premier and related core banking applications, including Fiserv Business Analytics and connected financial platforms.
- Serve as a primary IT contact for application incidents, service requests, user questions, and vendor escalations involving core banking and business applications.
- Monitor application availability, scheduled jobs, batch processing, interfaces, file transmissions, and system alerts; investigate exceptions and coordinate timely resolution.
- Troubleshoot application errors, data issues, integration failures, performance concerns, and user access problems; document findings, corrective actions, and escalation details.
- Coordinate with Fiserv and other third-party vendors on support cases, root-cause analysis, maintenance, upgrades, patches, release changes, and problem resolution.
- Support installation, configuration, testing, deployment, and validation of application updates, enhancements, interfaces, and new banking products or services.
- Participate in user acceptance testing, regression testing, production validation, and post-implementation support; maintain test results and issue logs.
- Support application access administration in accordance with approved requests, role-based access requirements, segregation of duties, and periodic access reviews.
- Maintain current application inventories, system dependencies, interface mappings, vendor contacts, support procedures, configuration records, and knowledge base articles.
- Follow established incident, problem, change, release, and service-request management procedures, including required approvals and evidence retention.
- Partner with business departments to understand operational needs, analyze application-related issues, and identify practical improvements without disrupting critical banking processes.
- Coordinate with IT Infrastructure and Information Security on server, database, network, authentication, vulnerability, logging, backup, recovery, and cybersecurity matters affecting supported applications.
- Support business continuity and disaster recovery readiness for critical applications, including documentation review, recovery testing, and validation of application availability and dependencies.
- Assist with application-related audit, regulatory, risk, and vendor-management requests by providing accurate system information, documentation, and remediation status.
- Provide end-user guidance and training on supported applications, system changes, standard processes, and known issue workarounds.
- Log and track support interactions, incidents, requests, changes, and vendor cases through the Bank’s designated service management process.
- Support data extracts, operational reports, and application inquiries while following approved data-handling, privacy, and security requirements.
- Provide day-to-day IT Operations and helpdesk support as needed, including troubleshooting Microsoft Windows and Microsoft 365, PCs and laptops, printers, scanners, mobile devices, user access, and other end-user hardware and software issues.
- Assist the Head of IT or assigned supervisor with application support initiatives, system implementations, project coordination, and production support activities.
- Maintain awareness of Fiserv product changes, banking technology developments, application support practices, and relevant operational risks.
- Perform other duties and projects assigned by management.
- Comply fully with all Bank policies, procedures, and regulatory requirements, including Bank Secrecy Act, Anti-Money Laundering, information security, privacy, and Code of Conduct requirements, and complete all required training.
SKILLS / QUALIFICATIONS
- Working knowledge of Fiserv Premier core banking applications and related Fiserv or banking platforms.
- Understanding of core banking operations, application workflows, batch processing, interfaces, file transmissions, and production support practices
- Experience troubleshooting application, integration, data, access, and performance issues using logs, job status, error messages, and vendor support resources.
- Familiarity with application lifecycle activities, including requirements review, configuration, testing, deployment, change control, release validation, and documentation.
- Understanding of identity and access management, role-based access, segregation of duties, and least-privilege principles.
- Working knowledge of Microsoft Windows, Microsoft 365, Active Directory, Windows Server, databases, and basic networking concepts.
- Familiarity with IT service management practices for incident, problem, change, release, and service-request handling.
- Ability to communicate effectively with business users, technical teams, Information Security, auditors, and third-party vendors.
- Strong analytical, organizational, documentation, and problem-solving skills with attention to accuracy and operational risk.
- Ability to prioritize production issues and meet deadlines in a regulated, service-oriented environment.
- Ability to work independently with minimal supervision and collaborate effectively across departments.
- Ability to work outside normal business hours, including evenings and weekends, for scheduled maintenance, upgrades, testing, or critical incidents.
- Willingness to travel to Bank branches, offices, and assigned data centers as necessary.
- Ability to perform other related duties as assigned.
EDUCATION / EXPERIENCE
- Bachelor’s degree in information technology, computer science, information systems, or a related field preferred; equivalent relevant experience may be considered.
- 3+ years of experience supporting enterprise or banking applications in a production environment preferred.
- 3+ years of experience supporting Fiserv Premier or related core banking applications preferred.
We are an Equal Opportunity Employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, ancestry, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, age, marital status, veteran status, disability, medical condition, genetic information, protective hairstyles, reproductive health decision-making, lawful off-duty cannabis use, or any other characteristic protected by federal, state, or local laws.
We comply with all applicable employment laws, including the California Fair Employment and Housing Act. If you require a reasonable accommodation during the application or interview process, please contact us.
POSITION OVERVIEW
The IT Application Support Engineer is responsible for supporting, maintaining, and improving the Bank’s core banking and related business applications, with primary emphasis on Fiserv Premier and integrated financial systems. This position serves as a technical and functional liaison among business users, IT teams, Information Security, and third-party vendors; monitors application availability and scheduled processing; investigates incidents and data or interface issues; coordinates upgrades, testing, and production changes; maintains application documentation and access controls; and also supports day-to-day IT Operations and helpdesk activities as part of the IT team.
POSITION RESPONSIBILITIES
- Provide day-to-day technical and functional support for Fiserv Premier and related core banking applications, including Fiserv Business Analytics and connected financial platforms.
- Serve as a primary IT contact for application incidents, service requests, user questions, and vendor escalations involving core banking and business applications.
- Monitor application availability, scheduled jobs, batch processing, interfaces, file transmissions, and system alerts; investigate exceptions and coordinate timely resolution.
- Troubleshoot application errors, data issues, integration failures, performance concerns, and user access problems; document findings, corrective actions, and escalation details.
- Coordinate with Fiserv and other third-party vendors on support cases, root-cause analysis, maintenance, upgrades, patches, release changes, and problem resolution.
- Support installation, configuration, testing, deployment, and validation of application updates, enhancements, interfaces, and new banking products or services.
- Participate in user acceptance testing, regression testing, production validation, and post-implementation support; maintain test results and issue logs.
- Support application access administration in accordance with approved requests, role-based access requirements, segregation of duties, and periodic access reviews.
- Maintain current application inventories, system dependencies, interface mappings, vendor contacts, support procedures, configuration records, and knowledge base articles.
- Follow established incident, problem, change, release, and service-request management procedures, including required approvals and evidence retention.
- Partner with business departments to understand operational needs, analyze application-related issues, and identify practical improvements without disrupting critical banking processes.
- Coordinate with IT Infrastructure and Information Security on server, database, network, authentication, vulnerability, logging, backup, recovery, and cybersecurity matters affecting supported applications.
- Support business continuity and disaster recovery readiness for critical applications, including documentation review, recovery testing, and validation of application availability and dependencies.
- Assist with application-related audit, regulatory, risk, and vendor-management requests by providing accurate system information, documentation, and remediation status.
- Provide end-user guidance and training on supported applications, system changes, standard processes, and known issue workarounds.
- Log and track support interactions, incidents, requests, changes, and vendor cases through the Bank’s designated service management process.
- Support data extracts, operational reports, and application inquiries while following approved data-handling, privacy, and security requirements.
- Provide day-to-day IT Operations and helpdesk support as needed, including troubleshooting Microsoft Windows and Microsoft 365, PCs and laptops, printers, scanners, mobile devices, user access, and other end-user hardware and software issues.
- Assist the Head of IT or assigned supervisor with application support initiatives, system implementations, project coordination, and production support activities.
- Maintain awareness of Fiserv product changes, banking technology developments, application support practices, and relevant operational risks.
- Perform other duties and projects assigned by management.
- Comply fully with all Bank policies, procedures, and regulatory requirements, including Bank Secrecy Act, Anti-Money Laundering, information security, privacy, and Code of Conduct requirements, and complete all required training.
SKILLS / QUALIFICATIONS
- Working knowledge of Fiserv Premier core banking applications and related Fiserv or banking platforms.
- Understanding of core banking operations, application workflows, batch processing, interfaces, file transmissions, and production support practices
- Experience troubleshooting application, integration, data, access, and performance issues using logs, job status, error messages, and vendor support resources.
- Familiarity with application lifecycle activities, including requirements review, configuration, testing, deployment, change control, release validation, and documentation.
- Understanding of identity and access management, role-based access, segregation of duties, and least-privilege principles.
- Working knowledge of Microsoft Windows, Microsoft 365, Active Directory, Windows Server, databases, and basic networking concepts.
- Familiarity with IT service management practices for incident, problem, change, release, and service-request handling.
- Ability to communicate effectively with business users, technical teams, Information Security, auditors, and third-party vendors.
- Strong analytical, organizational, documentation, and problem-solving skills with attention to accuracy and operational risk.
- Ability to prioritize production issues and meet deadlines in a regulated, service-oriented environment.
- Ability to work independently with minimal supervision and collaborate effectively across departments.
- Ability to work outside normal business hours, including evenings and weekends, for scheduled maintenance, upgrades, testing, or critical incidents.
- Willingness to travel to Bank branches, offices, and assigned data centers as necessary.
- Ability to perform other related duties as assigned.
EDUCATION / EXPERIENCE
- Bachelor’s degree in information technology, computer science, information systems, or a related field preferred; equivalent relevant experience may be considered.
- 3+ years of experience supporting enterprise or banking applications in a production environment preferred.
- 3+ years of experience supporting Fiserv Premier or related core banking applications preferred.
We are an Equal Opportunity Employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, ancestry, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, age, marital status, veteran status, disability, medical condition, genetic information, protective hairstyles, reproductive health decision-making, lawful off-duty cannabis use, or any other characteristic protected by federal, state, or local laws.
We comply with all applicable employment laws, including the California Fair Employment and Housing Act. If you require a reasonable accommodation during the application or interview process, please contact us.
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Find Application Engineer JobsApplication Engineer Job Market in Los Angeles
Who's Hiring
- Snap47
- Arup23
- Messer23
- ALTRUIST23
- K2 Space23
Application Engineer Jobs in Los Angeles: Frequently Asked Questions
How do I get a application engineer job in Los Angeles?
Focus your search on the aerospace and defense clusters in Torrance, El Segundo, and Hawthorne, the enterprise software and cloud infrastructure firms in Culver City and Santa Monica, and the industrial automation and manufacturing companies in Chatsworth and the San Fernando Valley. Candidates who pair a relevant engineering degree with hands-on product demonstrations or pre-sales experience stand out most in the Los Angeles market.
Which companies hire application engineers in Los Angeles?
Employers hiring application engineers in Los Angeles right now include Snap, Arup, and Messer, based on current listings on Migrate Mate as of November 2026. The local market draws heavily from aerospace primes, defense contractors, and fast-growing enterprise software companies that maintain large Los Angeles engineering offices.
Are there remote application engineer jobs in Los Angeles?
Yes, though remote availability depends heavily on the role: desk-based and solutions-focused positions are far more remote-friendly than hands-on field or lab roles. About 83% of application engineer openings tied to Los Angeles are remote or hybrid as of November 2026, with the majority of those in software and cloud infrastructure. On-site requirements are most common in aerospace, defense, and hardware testing roles.
How can I get a application engineer job in Los Angeles with little or no experience?
The most realistic entry path in Los Angeles is through a junior technical support or associate solutions engineer role at a mid-size software or hardware company in Culver City, Santa Monica, or the South Bay. Los Angeles aerospace suppliers and contract manufacturers also hire new engineering graduates into applications technician roles that ladder into full application engineer positions. A portfolio of product demos, lab projects, or customer-facing internship experience gives candidates a clear edge locally.
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