Network Specialist Jobs
Network Specialist jobs are open across enterprise IT, healthcare, government, and managed service providers, from entry-level support roles to senior and lead positions, with specializations in network administration, security, and cloud infrastructure. Scan the live roles below and apply to whichever ones fit.
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L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Job Title: Specialist, Network Plan Engineer
Job Code: 47711
Job Location: USA-TX-San Antonio
Job Schedule: 12 hours-7 days on- 7 days off
Job Description:
L3Harris is currently searching for a Sr. Associate Network/Helpdesk Engineer for our San Antonio, TX site. The Network Planning Engineer requires an active Top Secret Clearance with SCI eligibility. They will have a strong background in the management and maintenance in Microsoft Server environment; will maintain Network Operation Centers’ Servers and Virtual Server environment per DoD Netops governance and procedures. The Network Planning Engineer will be responsible for the collaboration of planning and engineering of the Operation Centers’ servers and virtual environment infrastructure. Includes the implementation and design of hardware and software. Monitors the performance of systems. Familiar with standard concepts, practices, and procedures of managing servers and virtual environments. Ability to perform tasks under minimal supervision. A certain degree of creativity and latitude is required. Will report to the engineering site manager and operations manager. Typically requires a bachelor's degree in area of specialty and 2-4 years of hands on work experience.
Essential Functions:
- Provide Network Support services for a Department of Defense (DoD) Senior Leader Network, exercising discretion and independent judgement when events or incidents occur to ensure corrective actions are captured and incidents resolved in an expedient manner.
- Optimize system performance with quick and independent decision making skills after analyzing RF usage, prioritization of users and then assist with mission planning and RF handovers.
- Manage WAN router, switch, and other networking configurations
- Use DISN data flows and coordinate applicable actions/issues with DISA
- Address network and connectivity issues instantaneously to support DoD Senior Leaders.
- Assist in subscriber frequency planning based on approved Discovery Frequency of Day for transient mobile activities
- During Missions, monitor RF Connections and links and update or independently advise when appropriate
- Monitor radio via GUI's (COMSEC, frequencies, Mission Mode, discoveries, mission record, coordinated change)
- Manage SATCOM RF resources by monitoring frequencies, power control, and hand-offs to optimize connectivity
- During Post Mission, Review mission performance trends, provide appropriate communication status reports, daily activity reports, RF performance statistics and maintain the Master Station Log
- Perform post-mission analysis to assess performance against requirements, establish trends, and optimize future missions
- Operate computer network equipment to ensure network systems are available to our network subscribers seven days a week, 24 hours a day, 365 days each year
- Maintain proficiency training based on prescribed and posted NETWORK training guidelines
- Manage and coordinate RF equipment Authorized Service Interruptions (ASIs)
- Update troubleshooting Guide from lessons learned.
- Operate and maintain databases and analyze network capabilities to ensure resolution of all network incidents and immediate recovery of the network
- Provide Tier I/II engineering support to subscriber aircraft on live missions and serve as a point of entry for any RF field support and/or corrective maintenance actions
- Provide first level and when possible second level support for terrestrial network connectivity support during high-level DoD missions
- During Pre-Mission, Monitor RF status and identify improvement opportunities related to performance
- Monitor daily performance of systems and analyze root causes or system improvement opportunities
- Monitor/respond to System Events/Alerts/Logs (for incident response, troubleshooting, and archival)
- Monitor the system to ensure efficient utilization and allocation of network and computer resources and facilities to maintain satisfactory response to customers using the network.
- Monitor Network Performance (Node/Interface/Processor/Memory/Volume Status)
- Monitor and maintain and troubleshoot COMSEC / TRANSEC equipment and keying material issues
- Must be able to observe and interpret computer and network system messages instantly and use independent decision-making skills to ensure commands are immediately addressed and that network systems are restored quickly when hardware, software, or power failures occur.
- Manage frequency configuration at the individual RF sites prior to mission
- Ensure readiness status of RF equipment including BIT, antenna pointing and polarization, and mission recording in high-pressure situations involving a high degree of significance.
- Perform preventative maintenance: Analyze and troubleshoot computer and network system health and status to identify potential problems and develop solutions before outages occur, using diagnostic tools
Qualifications:
- Bachelor’s Degree and a minimum of 2 years of prior related experience. Graduate Degree or equivalent with 0 to 2 years of prior related experience. In lieu of a degree, minimum of 3 years of prior networking troubleshooting experience.
- Must have a Top Secret clearance with eligibility to SCI
- Sec+ required
#LI-CS3
L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.
Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.
By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
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Find Network Specialist JobsNetwork Specialist Job Market
Who's Hiring



Top Industries Hiring
- Manufacturing
- Healthcare & Medical Services
- Consulting & Professional Services
What Employers Look For
The qualifications that appear most often in network specialist jobs.
- Cisco or Juniper routing and switching experience with hands-on configuration skills
- Proficiency with network monitoring and management tools such as SolarWinds or PRTG
- CompTIA Network+ or Cisco CCNA certification or equivalent credential
- Experience troubleshooting LAN, WAN, and VPN connectivity issues
- Familiarity with firewall administration and network security best practices
- Associate or bachelor's degree in information technology, computer science, or a related field
Tips for Your Network Specialist Job Search
Tailor your resume to each stack
Network specialist job descriptions vary sharply by environment. A role requiring Cisco IOS and OSPF is different from one built around SD-WAN and cloud networking. Match the specific protocols, vendors, and platforms listed in each posting to what you've actually worked with.
List certifications in a dedicated section
Certifications like CCNA, CompTIA Network+, and JNCIA are screened by applicant tracking systems before a human ever reads your resume. Put them in their own section near the top so they're never buried in a paragraph or buried under job history.
Apply early to roles that fit
Migrate Mate lists network specialist openings from across the United States in one place, so you can find roles that match and apply directly to each listing.
Demonstrate lab or home network experience
If your professional history is thin, real hands-on work in a home lab or virtual environment counts. Mention the platforms you tested, the topology you built, and what you learned. Hiring managers in networking respect self-directed technical practice over blank space.
Prepare for scenario-based technical screens
Many network specialist interviews include a live troubleshooting scenario: a misconfigured switch, a routing loop, or a failed VPN tunnel. Walk through your diagnostic process out loud, naming the commands you'd run and the order you'd check layers.
Negotiate by scoping the environment size
Before accepting or countering an offer, clarify the network scale: number of sites, devices under management, and whether on-call rotation is expected. Larger or more complex environments justify a higher ask, and knowing the scope strengthens your position.
Network Specialist Jobs: Frequently Asked Questions
Which companies are hiring the most network specialists?
The most active employers for network specialists right now are L3Harris, TDS Telecom, and AT&T, and the most openings are in Texas, California, and Virginia, based on current listings on Migrate Mate as of November 2026. Demand tends to be highest at managed service providers, federal contractors, and large healthcare systems.
How many network specialist jobs are remote?
About 52% of network specialist openings are fully remote or hybrid as of November 2026, though fully on-site roles remain common for positions involving physical hardware, data center work, or government facilities. Cloud networking and NOC monitoring roles are the most likely to be offered remotely.
How do you become a network specialist?
Start by building a foundation in networking fundamentals through a degree program, a community college certificate, or self-study using resources tied to certifications like CompTIA Network+ or Cisco CCNA. Work in a help desk or IT support role to gain hands-on exposure, then pursue a network-specific position as your skills grow. Lab practice with real or virtual equipment accelerates that progression.
How do you get hired as a network specialist with little experience?
Start in a help desk or desktop support role where you handle connectivity issues daily, then build toward a network-specific title as you accumulate hands-on work. Earning an entry-level certification like CompTIA Network+ signals foundational knowledge to hiring managers. A documented home lab with basic routing and switching setups gives you something concrete to discuss in interviews when professional history is limited.
What does the network specialist interview process look like?
Most network specialist interviews begin with a recruiter or HR screen covering your background and certifications. A technical interview follows, often including a live troubleshooting scenario or questions about routing protocols, VLANs, and firewall configurations. Some employers add a practical assessment where you work through a simulated network issue. Final rounds typically involve a team or manager conversation about the environment and day-to-day responsibilities.
Where can I find and apply to network specialist jobs?
You can find and apply to network specialist jobs on Migrate Mate, which lists current openings from across the United States. Search the roles available, find the ones that match your skills and experience, and apply directly to each listing that fits.
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