Mid/Senior Systems Administrator

Job Description

BAE Systems is a global leader in defense, aerospace, and security, dedicated to protecting those who protect us. We operate at the forefront of technological innovation, developing sophisticated systems that ensure national security and operational excellence.

The Opportunity
We are seeking a highly skilled Mid-to-Senior System Administrator to manage and optimize a large, complex, and geographically distributed network environment. This role is designed for a technical professional who excels in high-pressure environments and possesses the agility to adapt to evolving operational priorities.

The successful candidate will oversee multiple air-gapped systems, each with its own distinct domain and supporting infrastructure. This is a pivotal role requiring a blend of strategic system engineering and hands-on technical execution to sustain and upgrade critical capabilities.

Primary Responsibilities

• System Optimization: Install, administer, and optimize server and desktop configurations to ensure continuous, reliable, and efficient operations.
• Security & Compliance: Manage complex server enclaves, including vulnerability assessments, patching, certificate renewals, and Active Directory configurations.
• Technical Problem Solving: Identify and resolve critical hardware and software issues, developing sustainable long-term solutions for recurring operational challenges.
• Infrastructure Documentation: Develop and maintain comprehensive documentation of complex server/network environments to streamline incident resolution and knowledge transfer.
• Stakeholder Communication: Coordinate with end-users and external support personnel regarding outages and upgrades, while providing data-driven recommendations to upper management.

#LI-PB2

Required Education, Experience, & Skills

• Professional Experience: Substantial experience providing direct system administration support to large groups of technical staff, including developers and engineers.
• Technical Proficiency: Minimum of 5 years of hands-on experience supporting both Linux and Microsoft-based servers and workstations.
• Security Hardening: 5+ years of experience in operating system and application hardening, specifically within DISA and high-assurance environments.
• Lifecycle Management: 5+ years of experience in software/hardware deployment, patch management, and robust backup/restore functions.
• Core Competencies: Proficiency in Windows Server 2016, 2019, and Active Directory.
• Travel: Ability to perform local travel and occasional annual CONUS and OCONUS trips.
• Must possess a TS/SCI clearance with polygraph

MDOPS

Preferred Education, Experience, & Skills

• Education: Bachelors Degree in System Engineering, Computer Science, Information Systems, or a related technical field with 8+ years of relevant experience.
• Specialized Tools: Experience building and maintaining large-scale, distributed Trellix ePO environments.
• Automation: Strong scripting capabilities using SALT and Python.
• Advanced Stack: Hands-on experience with Red Hat 7/8, VMware, Apache Tomcat, IIS, SQL Server, and KVMs.
• Security Architecture: Expertise in security accreditation, PKI, SSP, multi-domain environments, and vulnerability assessment.
• Virtualization & Hardware: Proficiency in client/server virtualization, disk arrays, PowerShell, PowerCLI, HSMs, and NTP.

Pay Information
Full-Time Salary Range: $146670 - $249330

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 a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.

Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters.

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.