Senior Windows Systems Administrator

Job Description
BAE Systems stands at the forefront of global defense, developing the critical technologies that protect nations and their citizens. Joining our team means more than just managing infrastructure; it means contributing to a legacy of excellence and ensuring that those who protect us have the most reliable technology at their fingertips.
We are seeking a Senior Windows Systems Administrator to join a high-performing Agile team operating within the Scaled Agile Framework (SAFe). This role is designed for a technical leader who thrives in a complex, fast-paced environment and enjoys the challenge of supporting a broad geographic footprint.
You will be responsible for the daily administration, operations, and maintenance of multiple critical systems. From responding to complex engineering requests to deploying and sustaining new capabilities, you will ensure our infrastructure is scalable, secure, and optimized for peak performance.
Key Responsibilities

• Infrastructure Oversight: Monitor and optimize a sophisticated ecosystem comprising VMware server hosts, Windows and Linux guest servers, and Virtual Desktop Infrastructure (VDI).
• Security & Hardening: Lead the management of Information Assurance Vulnerability Alerts (IAVAs) and system security scanning. You will identify, remediate, and document vulnerabilities in strict accordance with System Security Plans.
• Systems Administration: Maintain virtual server clusters, resolve Active Directory configuration issues, and manage vulnerability patching and system scan findings.
• Strategic Collaboration: Provide high-level technical support to partner workgroups, fostering strong interdepartmental collaboration to meet overlapping program goals.
• Operational Excellence: Utilize enterprise monitoring tools to proactively detect and resolve alerts, ensuring minimal disruption to business functions.
• Continuous Improvement: Plan and implement IT enhancements and project-related work to evolve the environment's capabilities.

#LI-PB2
Required Education, Experience, & Skills

• Professional Experience: Minimum of 7 years of Windows administration experience and 7 years of experience in information security management (including governance, risk management, and compliance).
• Technical Proficiency: 5+ years of hands-on experience with:
  • Implementing and managing Windows Active Directory and DNS environments.
  • Advanced creation and management of Group Policy Objects (GPOs).
  • Microsoft SCCM.
  • Microsoft Exchange administration and Exchange Management Shell.
• Automation Skills: Proficiency in Windows Command Line and advanced PowerShell scripting.
• Security Expertise: A deep understanding of advanced security protocols, information security principles, and hands-on experience with IAVA management.
• Generalist Knowledge: Familiarity with Linux operating systems, VMware, and core networking technologies (switches, routers, LANs).

MDOPS
Preferred Education, Experience, & Skills

• Bachelor's degree in Computer Science, IT, or a related field with 12+ years of relevant experience.
• Experience documenting and supporting security accreditation and certification activities.
• Expertise in network security technologies, including multi-domain solutions, PKI, and SSPs.
• Experience with data center design and configuration (rack-and-stack, power planning).
• Experience utilizing automation tools such as Ansible or SaltStack.
• Previous experience supporting software configuration management and development environments.

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.