Network Administrator (San Diego)

About the role

The AT/FP Ashore Sustainment Program is executed by the Commander Navy Installations Command (CNIC) Public Safety Systems (PSS) Anti-Terrorism/Force Protection (AT/FP) Ashore Program Management Office (PMO), in coordination with Naval Facilities Engineering Systems Command Expeditionary Warfare Center (EXWC) and CNIC Regional Program Managers (RPMs).

Responsibilities

• Engineer, configure, and sustain Juniper (EX, QFX, SRX), Aruba (switching and wireless), Cisco (Catalyst Switching and Routing), Antaira switching network and Cambium microwave solutions.
• Support end-to-end system lifecycle: staging, integration, testing, fielding, and sustainment.
• Deploy and troubleshoot networks in: NIWC labs and integration environments, shore facilities and data centers.
• Integrate new systems into existing PSS network.
• Implement secure network architectures aligned with: Risk Management Framework (RMF), Security Technical Implementation Guides (STIGs), Vendor specific security guidance.
• Perform system hardening, vulnerability remediation, and compliance validation.
• Configure and maintain: VLANs, trunking, QoS, and redundancy mechanisms, VPNs (IPSec), ACLs, and firewall policies, Routing protocols (Static, OSPF, BGP).
• Support Aruba wireless deployments, including controller-based and distributed architectures.
• Conduct site surveys, system installs, and operational verification testing during travel.
• Maintain configuration baselines, diagrams, and technical documentation.
• Interface with: Government customers/leads, Program managers, Serco and government cybersecurity and RMF teams, Government Wide Area Network (WAN) Providers.

Requirements

• An active DoD Secret clearance.
• HS Diploma/GED.
• Must meet DoD 8570 / 8140 baseline certification, such as: Security+ CE (minimum) OR higher (CISSP, CASP+, etc.).
• Juniper certifications (JNCIA or higher) or Cisco (CCNA or higher).
• 8 years of relevant network engineering experience (DoD or enterprise).
• Hands-on experience with: Juniper networking (Junos OS, EX/QFX/SRX platforms), Aruba switching and wireless (ArubaOS, Instant AP, Aruba Central), Cisco Switching and Routing (Catalyst, ISR) and Firewall (ASA, Firepower).
• Strong knowledge of: Layer 2 technologies (VLANs, STP, LACP), Routing (Static, OSPF, BGP), TCP/IP and Subnetting.
• Experience supporting mission-critical or classified systems.
• Ability to work in field/deployed environments with minimal supervision.
• Ability to support remote system with limited physical access.
• Experience with the implementation of vulnerability remediation and STIG configurations for system hardening.
• Ability to multitask and teach or assist others to resolve systems related issues.
• Strong analytical and problem-solving skills.
• Ability to create Standard Operating Procedure documentation for designs and implementation strategies for new hardware and software deployments.
• To produce system specifications, design requirements, test evaluation planning documents, and technical publications and reports.
• To support projects at client sites where working conditions may vary.
• To travel as necessary (50%).

Qualifications

• Experience with Navy Public Safety Systems.

Skills

• Juniper certifications (JNCIA or higher).
• Cisco (CCNA or higher).
• Aruba switching and wireless (ArubaOS, Instant AP, Aruba Central).
• Cisco Switching and Routing (Catalyst, ISR) and Firewall (ASA, Firepower).
• Layer 2 technologies (VLANs, STP, LACP).
• Routing (Static, OSPF, BGP).
• TCP/IP and Subnetting.

Benefits

Pay Transparency: Our Total Rewards package includes competitive pay, performance-based incentives, and benefits that promote well-being and work-life balance—so you can thrive both professionally and personally. Eligible employees also gain access to a wide range of benefits from comprehensive health coverage and health savings accounts to retirement plans, life and disability insurance, and time-off programs that support work-life balance. Program availability may vary based on factors such as contract type, location, hire date, and applicable collective bargaining agreements. Salary range: The range for this position can be found at the top of this posting. This range is provided as a general guideline and represents a good faith estimate across all experience levels. Actual base salary will be determined by a variety of factors, including but not limited to, the scope of the role, relevant experience, job-related knowledge, education and training, key skills, and geographic market considerations. For roles available in multiple states, the range may vary to reflect differences in local labor markets. In addition to base salary, eligible positions may include other forms of compensation such as annual bonuses or long-term incentive opportunities. Benefits – Comprehensible benefits for full-time employees (part-time employees receive a limited package tailored to their role): Medical, dental, and vision insurance Robust vacation and sick leave benefits, and flexible work arrangements where permitted by role or contract 401(k) plan that includes employer matching funds Tuition reimbursement program Life insurance and disability coverage Optional coverages that can be purchased, including pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection Birth, adoption, parental leave benefits Employee Assistance Plan To review all Serco benefits please visit: https://careers.serco-na.com/us/en/about-us. Serco complies with all applicable state and local leave laws, including providing time off under the Colorado Healthy Families and Workplaces Act for eligible Colorado residents, in alignment with our policies and benefit plans. The application window for this position is for no more than 60 days. We encourage candidates to apply promptly after the posting date, as the position may close earlier if filled or if the application volume exceeds expectations. Please submit applications exclusively through Serco’s external (or internal) career site. If an applicant has any concerns with job posting compliance, please send an email to: careers@serco-na.com.