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Communications Network Engineer SR
Job#:
Job Description:
Communications Network Engineer SR
Certifications Required: IAT Level II, CCNA
Experience Required: Minimum 8 years in a high-level Network Engineering role
Work Hours: Standard 9 AM – 5 PM PST (with on-call rotation)
Position Overview:
We are seeking a Senior Communications Network Engineer to join a high-impact, mission-critical team in San Diego. This elite group serves as the final escalation point for all network issues across the program. If the NOC and Field Base Network Engineers cannot resolve a problem, it lands here. This is the top of the escalation chain , and the team is expected to respond immediately and remain engaged until resolution.
This role demands deep technical expertise , rapid critical thinking , and the ability to operate under pressure in high-visibility environments. You will support VIP and priority projects and must be comfortable working in a 24/7 operational environment with rotating on-call responsibilities.
Evaluate communication hardware and software, as well as troubleshoot Local Area Networks/Base Area Networks/Wide Area Networks (LAN/BAN/WAN), and other network related problems.
Administer LAN/BAN/WANs.
Schedule conversions and cutovers.
Coordinate with all responsible users and sites. Specialized experience in the performance and configuration of networks as well as the integration and test of complex large-scale computer integrated networks.
Key Responsibilities:
- Serve as the final escalation point for complex network issues across the program.
- Participate in a 24/7 bridge line rotation to provide immediate support during outages or critical incidents.
- Troubleshoot and resolve high-priority network issues in real-time, often under pressure.
- Support high-visibility and VIP projects with precision and professionalism.
- Collaborate with cross-functional teams including NOC, Field Engineers, and SRE leadership.
- Contribute to the team’s transition toward network automation using tools like Ansible and Python .
- Maintain and support Arista Networks infrastructure with expert-level proficiency.
- Participate in rotating on-call schedules, including nights and weekends (1 week at a time).
- Work on-site full-time (40 hours/week) with eligibility for OT during on-call incidents.
- IAT Level II Certification
- CCNA Certification
- 8+ years of hands-on experience in a senior-level Network Engineering role (not just general IT experience)
- Proven expertise with Arista Networks (not just exposure)
- Strong background in network automation (Ansible, Python, etc.)
- Ability to think critically and perform under pressure in real-time troubleshooting scenarios
- Must be able to work on-site in San Diego with no remote flexibility
- This is a high-visibility role with direct impact on mission success.
- Candidates must be self-sufficient —there is no time for training or ramp-up.
- Must work PST hours to ensure overlap with EST and HST teams.
Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.
Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.
Apex Systems is part of the Commercial Segment of ASGN Incorporated.
NYSE: ASGN
4400 Cox Road
Suite 200
Glen Allen, Virginia 23060
Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at (email protected) (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.
Seniority level
Seniority level
Mid-Senior level
Employment type
Employment type
Full-time
Job function
Job function
Information TechnologyIndustries
IT Services and IT Consulting
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