Systems Administrator

Job Description

BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems. Intelligence & Security provides services and products to the Department of Defense, the intelligence community, federal law enforcement officials, and troops deployed around the world.

At BAE Systems, we promote a strong, collaborative culture and provide our employees with the tools, skills and training they need to succeed. We are all about trust, camaraderie and a shared ambition to lead the world in defense technologies and national security services. Be a part of a company that is part of the community; driven to improve our future and protect our freedom.

BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system maintenance, from daily troubleshooting needs to the verification of system performance.

Responsibilities include:

Systems Administration & Operations

• Administer and troubleshoot Linux and Windows servers in AWS Gov Cloud and manage on-prem HP thin clients, including maintaining gold images and deploying updates.

• Administer VMware infrastructure (vCenter/vSphere/ESXi), including provisioning, configuration, performance monitoring, and lifecycle management of virtual machines.

• Perform patching, OS updates, and configuration reviews using Ansible Automation Platform; apply DISA STIGs and other hardening standards to maintain compliance.

• Monitor system performance, resource utilization, and capacity to ensure availability and support lifecycle planning.

Identity & Access Management

• Manage Active Directory forests, domains, and OUs, including users, groups, and hardware objects (thin clients, servers, VMs), Group Policy Objects (GPOs), and access controls.

• Perform account provisioning, deprovisioning, and periodic access reviews in accordance with ICAM standards.

• Administer enterprise ICAM and PKI/PKE services, including certificate issuance, renewal, and authentication integration.

Backup, Security, and Compliance

• Manage backup and recovery solutions in line with Business Continuity and Disaster Recovery (BCDR) requirements.

• Support Asset Management by automating the reporting of assets, ensuring accurate system inventories for audits, compliance, and lifecycle management.

• Support security audits and vulnerability assessments by providing system data, implementing remediation actions, and maintaining audit-ready configurations.

• Execute system changes and upgrades in accordance with program change and configuration management processes.

Support & Collaboration

• Provide Tier 2 incident response by troubleshooting escalated issues, restoring service, and escalating to Tier 3 as needed.

• Directly assist end users and mission partners with escalated system issues requiring administrative intervention.

• Collaborate with cloud, security, and network engineers to support enterprise services while maintaining clear system administration scope.

• Develop and maintain system documentation, including SOPs, baseline configurations, and technical knowledge articles.

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Required Education, Experience, & Skills

• Bachelor's degree + a minimum of 6 years Systems Administration experience
• Maintain DoD 8570/8140 IAT Level II or III certification
• Must be able to support on-call, after hours, and weekend support

Preferred Education, Experience, & Skills

• Experience working in DoD or Intelligence Community (IC) environments, with an understanding of audit and compliance requirements.
• Familiarity with change and configuration management processes (e.g., ITIL, CAB).
• Experience supporting asset management automation for accurate system reporting and compliance tracking.
• Vendor certifications such as:
  • VMware Certified Professional (VCP)
  • Red Hat Certified System Administrator/Engineer (RHCSA/RHCE)
  • Microsoft Certified:
    Windows Server Administration/Engineer
• Experience with zero-trust security models and integrating system administration tasks into enterprise cybersecurity frameworks.
• Familiarity with enterprise backup solutions, particularly Commvault, in large-scale mission environments.
• Exposure to hybrid cloud automation (e.g., Infrastructure as Code, CI/CD pipelines) for system deployment and maintenance.

Pay Information
Full-Time Salary Range: $115779 - $196825

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)…