Serco

Network Administrator (San Diego)

Serco$100K — $120K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Active DoD Secret clearance required
  • High School Diploma or equivalent
  • DoD 8570/8140 baseline certification (Security+ CE or higher)
  • 8 years of relevant network engineering experience (DoD or enterprise)
  • Hands-on experience with Juniper, Aruba, and Cisco technologies
  • Strong knowledge of Layer 2 technologies and routing protocols
  • Experience supporting mission-critical or classified systems.

Responsibilities

  • Engineer and sustain various network switches and routers (Juniper, Cisco, Aruba)
  • Support the full system lifecycle from staging to sustainment
  • Deploy and troubleshoot networks in multiple environments
  • Integrate new systems into existing network
  • Implement secure network architectures according to established guidelines
  • Perform system hardening and compliance validation
  • Conduct site surveys and operational verification testing during travel.

Benefits

  • Travel opportunities to CONUS and OCONUS locations
  • Contribute to mission-critical projects within a national defense context
  • Work with advanced network technologies and systems
  • Gain experience in a dynamic and challenging field
  • Collaborate with government and cybersecurity teams.
Full Job Description
Position Description & Qualifications

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). The program delivers preventive and corrective maintenance services to Navy installations worldwide to ensure AT/FP systems remain fully operational and aligned with mission requirements.

This position is based in San Diego, California, with a travel requirement of 50% or greater in support of CONUS and OCONUS operations.

As a Network Engineer supporting the Global Sustainment Contract at Naval Information Warfare Center Pacific (NIWC Pacific) Old Town Campus, you will provide advanced engineering, integration, and sustainment support to CNIC Public Safety Systems Ashore Programs. These programs are responsible for the design, procurement, integration, installation, and lifecycle sustainment of networked systems, hardware, firmware, and software that enable the protection of mission-critical assets and personnel from natural disasters, acts of terrorism, and other man-made threats.

In this role, you will:
  • 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


To be successful in this role, you will have:
  • 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
    • RADIUS Authentication
  • 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
  • Must have 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
  • Ability to produce system specifications, design requirements, test evaluation planning documents, and technical publications and reports
  • Ability to support projects at client sites where working conditions may vary
  • Ability to travel as necessary (50%)

Additional desired experience and skills:
  • Experience with Navy Public Safety Systems
  • Ability to:
    • Lift and rack equipment
    • Work in shipboard or confined spaces
  • Willingness to travel frequently and on short notice in support of critical break-fix and troubleshooting efforts


Apply today to discover your place in our world!

About Serco

Serco Group plc is a British company providing public services. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. The company has four divisions: Health, Justice and Immigration, Transport, and Defence, and operates across the UK and Europe, North America, Asia Pacific and the Middle East. Serco primarily provides public services to governments, including the operation of prisons and hospitals, defence and aerospace services, and transport services. The company also provides IT and consultancy services to the public sector. Serco has been involved in a number of controversies, including allegations of overcharging the UK government and mismanagement of contracts.
Learn more about Serco
Size
50,000 employees
Industry
Founded
1988

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