Serco

Network Administrator (San Diego)

Serco$80K — $100K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Active interim Secret clearance and ability to obtain a fully adjudicated Secret clearance
  • Bachelor's degree with 5 years of experience or HS Diploma/GED with 8 years of experience
  • DoD 8570/8140 baseline certification (e.g., Security+ CE, CISSP)
  • Hands-on experience with Juniper, Aruba, and Cisco networking technologies
  • Strong knowledge of Layer 2 technologies, Routing protocols, and Authentication mechanisms
  • Experience in supporting mission-critical or classified systems
  • Proven ability to multitask and assist others in system-related issues

Responsibilities

  • Engineer, configure, and sustain various networking solutions including Juniper, Aruba, and Cisco products
  • Support the end-to-end system lifecycle from staging to sustainment
  • Deploy and troubleshoot networks in lab, shore facilities, and data centers
  • Integrate new systems into existing PSS networks
  • Implement secure network architectures following RMF and STIGs
  • Perform system hardening, vulnerability remediation, and compliance validation
  • Conduct site surveys, system installs, and operational verification during travel

Benefits

  • Opportunity for significant travel (50% or greater)
  • Work with mission-critical systems and contribute to national security
  • Engagement with advanced networking technologies and solutions
  • Collaborative environment with government teams and program managers
  • Potential for career growth within Navy Public Safety Systems
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 interim Secret clearance with the ability to obtain a fully adjudicated secret clearance.
  • Bachelor's degree and 5 years of experience
    • OR a HS Diploma/GED and 8 years of experience.
  • DoD 8570 / 8140 baseline certification, such as:
    • Security+ CE OR higher (CISSP, CASP+, etc.)
    • Juniper certifications (JNCIA or higher) or Cisco (CCNA or higher)
  • 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
  • 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 and 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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