Talent.com
Senior Linux System Administrator
Senior Linux System AdministratorBAE Systems • San Diego, California, United States
Senior Linux System Administrator

Senior Linux System Administrator

BAE Systems • San Diego, California, United States
12 hours ago
Job type
  • Full-time
Job description

Job Description

You can get further details about the nature of this opening, and what is expected from applicants, by reading the below.

We put our customers first – exemplified by our missions : "We Protect Those Who Protect Us" and "We

Innovate for Those Who Move the World." Sound like a team you want to be a part of? Come build your

career with BAE Systems.

BAE Systems is seeking a Senior Closed Area Linux Systems Administrator to provide comprehensive technical

and operational support for classified IT systems. You will primarily support the GXP Program. BAE Systems Geospatial eXploitation (GXP) develops industry-leading geospatial intelligence software for data management, image exploitation, and reporting.

Position Summary :

This position requires a seasoned IT professional with expertise in managing complex, air-gapped systems and lab environments in accordance with DoD and Intelligence Community security requirements. Mainly working in a Linux OS environmenet you will be responsible for the configuration, maintenance, and monitoring of secure networks and systems, including Lab-in-a-Box (LIB) environments, virtualization platforms, endpoint protection, and logging / alerting tools. This position is 100% onsite within a closed, classified area. Some after-hours or weekend support may be required for maintenance windows or incident response. You must be able to lift equipment (up to 40lbs) and work

within controlled environments.

  • In this Senior Linux System Adminisrator position you will make impacts in the following ways;

Proficiency in Active Directory, including user / group management, OU structure, and GPOs.

Install, configure, and maintain Linux-based servers and systems.

Configure, deploy, and maintain Lab-in-a-Box (LIB) environments used in closed area testing and mission scenarios.

Develop and execute system shutdown and secure wipe procedures, in accordance with DoD and agency guidelines.

Lead and coordinate data spill containment, response, and remediation actions in classified

environments.

Operate and manage Nessus vulnerability scanning, assessment reporting, and risk remediation tracking.

Maintain and support VMware-based virtual infrastructure, including host management and

resource allocation.

Operate and manage Veeam backup and recovery solutions for secure system images and

restoration planning.

Administer Trellix ePO (McAfee) for endpoint protection policy management, signature updates, and alert resolution.

Perform domain controller maintenance, including replication, DNS / DHCP services, and health monitoring.

Design, implement, and troubleshoot Group Policy Objects (GPOs) in Active Directory.

Support Splunk operations, including forwarder management, dashboard / report creation, and log analysis for auditing and threat detection.

Ensure all systems are compliant with applicable STIGs, RMF controls, and cyber hygiene policies.

Maintain system documentation, configuration change records, and contribute to audit readiness.

Collaborate with ISSOs / ISSMs, facility security, and other stakeholders to ensure secure and

compliant operations.

Required Education, Experience, & Skills

  • US Citizenship is required by contract.
  • Active U.S. Top Secret Security Clearance / SCI is required with the ability to obtain a Poly along with an active CompTIA Security+ or equivalent DoD 8570 IAT Level II certification.
  • 5-7 years of experience and high school diploma or (4+ years of experience with a degree) as a system administrator in a Linux OS environment.
  • Direct experience configuring and managing Lab-in-a-Box (LIB) environments.
  • Familiarity with data spill response protocols and secure system sanitization.
  • Hands-on experience with Nessus, VMware vSphere, Veeam, and Trellix ePO.
  • Strong Active Directory experience, including domain controller and GPO management.
  • Working knowledge of Splunk in secure environments (including alerting and data retention
  • strategies).

  • Understanding of DoD and IC security standards, including RMF, NISPOM, and STIG compliance
  • Preferred Education, Experience, & Skills

  • Active U.S. TS / SCI / Poly Security Clearance.
  • 4+ years of experience working in a classified environment
  • Experience with system accreditation (e.g., SSP development, POA&M tracking).
  • Familiarity with classified lab setups, test bed environments, or R&D support.
  • Exposure to cross-domain solutions, enclave management, or SAP / SAR environments.
  • Scripting experience (PowerShell, Python) to automate common sysadmin tasks.
  • Experience supporting audit and inspection activities
  • Pay Information

    Full-Time Salary Range : $95106 - $161680

    Please note : This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to : business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

    Employee Benefits : At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered : health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and / or job specifics.

    About BAE Systems Electronic Systems

    BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it's what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you'll find a rewarding career that truly makes a difference. Electronic Systems (ES) is the global innovator behind BAE Systems' game-changing defense and commercial electronics. Exploiting every electron, we push the limits of what is possible, giving our customers the edge and our employees opportunities to change the world. Our products and capabilities can be found everywhere – from the depths of the ocean to the far reaches of space. At our core are more than 14,000 highly talented Electronic Systems employees with the brightest minds in the industry, we make an impact – for our customers and the communities we serve.

    This position will be posted for at least 5 calendar days. xmcpwfu The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

    Create a job alert for this search

    System Administrator • San Diego, California, United States

    Related jobs
    Linux and Windows System Administration

    Linux and Windows System Administration

    Information Systems Solutions • San Diego, CA, United States
    Full-time
    Information Systems Solutions (ISS) is looking for a candidate to provide Linux, Windows, and Cloud based server administration, as well as Windows and MacOS X desktop support for the MQ-25 program...Show more
    Last updated: 2 days ago • Promoted
    Senior Linux System Admin - Federal

    Senior Linux System Admin - Federal

    ServiceNow • San Diego, CA, United States
    Permanent
    At ServiceNow, our technology makes the world work for everyone, and our people make it possible.We move fast because the world can’t wait, and we innovate in ways no one else can for our customers...Show more
    Last updated: 30+ days ago • Promoted
    Senior Software Engineer - Cloud Infrastructure & Automation

    Senior Software Engineer - Cloud Infrastructure & Automation

    PlayStation Global • San Diego, CA, United States
    Permanent
    PlayStation isn't just the Best Place to Play - it's also the Best Place to Work.Today, we're recognized as a global leader in entertainment producing The PlayStation family of products and service...Show more
    Last updated: 2 days ago • Promoted
    Principal Embedded Systems Architect - EdgeOS for Autonomy

    Principal Embedded Systems Architect - EdgeOS for Autonomy

    Shield AI • San Diego, CA, United States
    Full-time
    A leading defense technology firm is seeking a Principal Software Architect to lead the development of EdgeOS, its embedded middleware platform. This pivotal role requires 15+ years of experience in...Show more
    Last updated: 10 days ago • Promoted
    Senior Software Engineer - Cloud Infrastructure & Automation

    Senior Software Engineer - Cloud Infrastructure & Automation

    Sony Interactive Entertainment • San Diego, CA, United States
    Permanent
    PlayStation isn't just the Best Place to Play - it's also the Best Place to Work.Today, we're recognized as a global leader in entertainment producing The PlayStation family of products and service...Show more
    Last updated: 1 day ago • Promoted
    ObGyn

    ObGyn

    The Inline Group • San Marcos, California, US
    Full-time
    ObGyn physician job in California : The Inline Group -.Hours : Monday - Friday 8 AM - 5 PM | 1 : 4 Saturday Clinic Rotation (replaces one weekday). Compensation : $300,000 - $400,000 annually depending ...Show more
    Last updated: 30+ days ago • Promoted
    Senior DevOps Applications Engineer

    Senior DevOps Applications Engineer

    ASML US, LLC • San Diego, CA, United States
    Full-time
    ASML US, including its affiliates and subsidiaries, bring together the most creative minds in science and technology to develop lithography machines that are key to producing faster, cheaper, more ...Show more
    Last updated: 30+ days ago • Promoted
    Systems Software Engineer (Core OS)

    Systems Software Engineer (Core OS)

    Kaav Inc. • San Diego, CA, United States
    Full-time
    Position -Systems Software Engineer (Core OS).San Diego, California, United States - Hybrid.We're looking for a motivated engineer with excellent programming, problem solving and communication skil...Show more
    Last updated: 1 day ago • Promoted
    System Administrator

    System Administrator

    Leidos Inc • San Diego, CA, United States
    Full-time
    Leidos Innovations Center (LiNC), within our CISO and Digital Modernization Sector, is seeking a.The successful candidate will be responsible for maintaining, securing, and supporting complex class...Show more
    Last updated: 27 days ago • Promoted
    System Administrator

    System Administrator

    Kros-Wise • San Diego, CA, USA
    Full-time
    Quick Apply
    We are seeking a mission-focused.Navy enterprise IT environments.This role is responsible for maintaining servers, networks, and cybersecurity compliance across classified and unclassified systems....Show more
    Last updated: 30+ days ago
    Senior Principal Systems Engineer

    Senior Principal Systems Engineer

    Prattwhitney • San Diego, CA, United States
    Full-time
    Date Posted : • •2025-10-20 • •Country : • •United States of America • •Location : • •CA806 : 8650 Balboa Avenue San Diego 8650 Balboa Avenue San Antonio Building, San Diego, CA, 92123 USA • •Position Role Type : • •...Show more
    Last updated: 30+ days ago • Promoted
    Restaurant Delivery

    Restaurant Delivery

    DoorDash • Santee, US
    Full-time +1
    DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day. As a Dasher, you’ll stay busy with a variety o...Show more
    Last updated: 9 hours ago • Promoted • New!
    Systems / Network Administrator

    Systems / Network Administrator

    BlueWater Federal Solutions • San Diego, CA, United States
    Full-time
    BlueWater is seeking a Systems / Network Administrator, responsible for installation, configuration, maintenance, and optimization of SCSTC network systems across multiple training sites.The Systems ...Show more
    Last updated: 1 day ago • Promoted
    Systems and Network Administrator

    Systems and Network Administrator

    UC San Diego • San Diego, CA, United States
    Full-time
    Systems and Network Administrator.Filing Deadline : Fri 12 / 5 / 2025.UC San Diego values and welcomes people from all backgrounds. If you are interested in being part of our team, possess the needed lic...Show more
    Last updated: 30+ days ago • Promoted
    HPC Linux Systems Administrator - TS / SCI-FSP clearance

    HPC Linux Systems Administrator - TS / SCI-FSP clearance

    Jobot • San Diego, CA, US
    Full-time
    This Jobot Job is hosted by : Kurt Holzmuller.Are you a fit? Easy Apply now by clicking the "Apply Now" buttonand sending us your resume. Salary : $130,000 - $180,000 per year.We are a leadi...Show more
    Last updated: 30+ days ago • Promoted
    Senior Software Engineer - Linux

    Senior Software Engineer - Linux

    Qualcomm • San Diego, CA, United States
    Full-time
    Qualcomm Innovation Center, Inc.Drive Linux innovation for Qualcomm’s next‑generation server‑class CPUs.Join our Linux Platform team to build and optimize Linux distribution support and infrastruct...Show more
    Last updated: 30+ days ago • Promoted
    Tactical Networks Systems Engineer

    Tactical Networks Systems Engineer

    BOOZ, ALLEN & HAMILTON, INC. • San Diego, CA, US
    Full-time +1
    Tactical Networks Systems Engineer.A well-designed network is critical to move data and enable our Department of Navy (DoN) and Department of Defense (DoD) clients to achieve their missions, but ho...Show more
    Last updated: 30+ days ago • Promoted
    Senior Analyst - End User Services

    Senior Analyst - End User Services

    AHEAD USA • San Diego, CA, United States
    Full-time
    AHEAD builds platforms for digital business.By weaving together advances in cloud infrastructure, automation and analytics, and software delivery, we help enterprises deliver on the promise of digi...Show more
    Last updated: 2 days ago • Promoted