Demo

Mid-Level Linux Administrator

BAE Systems
BAE Systems Salary
Annapolis, MD Full Time
POSTED ON 1/7/2026
AVAILABLE BEFORE 3/7/2026

Job Description

BAE Systems is a leading global defense, security, and aerospace company, providing innovative solutions to complex challenges. With a strong presence in the United States and internationally, BAE Systems delivers cutting-edge technology and services to support national security, protect people and infrastructure, and drive business growth.

In this position, you will be responsible for monitoring infrastructure systems, applications, and processes, and for ensuring that all issues are identified, tracked, and resolved in a timely manner. She/he will provide support for all infrastructure systems and will respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations. Other responsibilities include:

  • Quickly responding to IT Help Desk calls and emails in a professional manner; ensuring issues are resolved and/or escalated to the appropriate teams; and following up with teams and users to ensure issues are satisfactorily remediated.
  • Identifying, troubleshooting, and correcting hardware and software issues including network connectivity.
  • Utilizing enterprise monitoring solutions to identify alarms that have been triggered against the various environments.
  • Proactively contacting customers when infrastructure processes are significantly delayed or may impact their ability to complete a business function on time.
  • Executing the process for managing information assurance vulnerability alerts (IAVAs) and system security scanning for equipment suites in accordance with the System Security Plans for these systems to rapidly and accurately identify and remediate IAVAs.
  • Initiating IAVA responses and system security scans, completing remediation, and extending IAVA patches and security updates on various IT and network systems.
  • Providing technical assistance to companion work groups in support of overlapping projects such as implementing IT enhancements and optimizing systems.
  • Maintaining good inter-departmental relations, communicating with users, and publishing status of system outages.
  • Participating in the creation and ongoing maintenance of documentation to ensure clear, concise and accurate information is readily available to assist with incident resolution.
#LI-PB2

Required Education, Experience, & Skills
  • Must have experience installing, updating, and upgrading Linux Operating Systems (OS).
  • Must have experience with utilities used to manage Linux OS disk file systems.
  • Must have experience analyzing and implementing Security Technical Implementation Guide (STIG) requirements in Linux OS.
  • Must have experience with utilities used to create and configure network connections in Linux OS.
  • Must have experience implementing Windows Active Directory User Authentication in Linux OS.
  • Must be proficient in reading and modifying User/Group permissions in Linux OS.
  • Must be proficient in reading, analyzing, and troubleshooting errors within Linux OS
  • Must have at least 5 years of direct, hands-on experience providing assistance to users in an IT customer service capacity.
  • Must have at least 5 years of experience working on an IT/software program that utilizes complex equipment/systems (ex. Network Switches, Routers, LANs, & cabling, Windows/Linux operating systems, VMware, etc.).
  • Must have experience installing, updating, and upgrading Linux Operating Systems (OS).
  • Must have experience with utilities used to manage Linux OS disk file systems.
  • Must have experience analyzing and implementing Security Technical Implementation Guide (STIG) requirements in Linux OS.
  • Must have experience with utilities used to create and configure network connections in Linux OS.
  • Must have experience implementing Windows Active Directory User Authentication in Linux OS.
  • Must be proficient in reading and modifying User/Group permissions in Linux OS.
  • Must be proficient in reading, analyzing, and troubleshooting errors within Linux OS.
  • Must have experience with IT system optimization, monitoring, and technical set-up and troubleshooting.
  • Must have experience with Data Center design and configuration (e.g. rack and stack, power, placement, etc.).
  • Must have experience gathering data for and documenting technical processes.
  • Must have experience documenting IT issues and providing detailed and comprehensive status reports and follow-ups.
  • Must have experience Analyzing and addressing IAVAs/CVEs (response and remediation, system security scans, extending IAVA patches and security updates on IT and network systems, etc).
  • Must be committed to adopting and adhering to best practices including compliance with maintenance windows and change control procedures.
  • Must possess strong analytic abilities and must be meticulous and careful in their work.
  • Must be an independent thinker capable of working independently as well as within a team.
  • Must be able to respond to emergency system administration, operations, and maintenance problems, on a limited as-needed on-call basis.
  • Must be able to travel up to 25% of the time to local program locations (not overnight). Additional travel to CONUS and OCONUS location(s) may also be required (overnight).
MDOPS

Preferred Education, Experience, & Skills
  • BS degree in a technical field and at least 8 years of relevant experience.
  • Experience with security standards, software architectures, and Network security technologies (Multiple Domain, PKI, SSP, Vulnerability Assessment, etc.).
  • Experience working with Enterprise Domain Services.
  • Experience building and deploying Virtual Machines within an On-Premises Data Center.
  • Experience with scripting and/or automation tools.
  • Experience reading, analyzing, and addressing security vulnerabilities discovered from automated scanning tools.
  • Experience supporting a large, complex software configuration management and development program.
  • Experience working in an Agile Development Environment or on an Agile Team.


Pay Information
Full-Time Salary Range: $132962 - $226035

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 Intelligence & Security
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.

Intelligence & Security (I&S), based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do—from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels.

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

Salary : $132,962 - $226,035

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