Cyber Systems Administrator

Serco is seeking a Cyber Systems Administrator to support the DMOC-IDE team at the 705th CTS. This role combines hands-on systems administration with vulnerability management, ensuring Windows Server and Red Hat Enterprise Linux (RHEL) systems remain secure, compliant, and mission-ready for Live-Virtual-Constructive (LVC) training environments., * Administer and maintain Windows Server and RHEL systems in a classified environment

• Manage Active Directory, user access, group policy, and system permissions
• Review and apply system hardening and compliance
• Execute and validate patch management across OS and applications; track and report compliance status
• Maintain and update POA&Ms, supporting remediation timelines and risk prioritization
• Monitor system health, troubleshoot issues, and ensure performance and availability
• Support backup/recovery operations and maintain system integrity
• Collaborate with cybersecurity and engineering teams to implement secure configurations and changes
• Install and maintain hardware, software, virtualization, and VTC systems
• Document system configurations, vulnerabilities, and remediation actions

• U.S. Citizenship
• Active DoD Secret clearance
• Bachelor’s degree
• DoD 8570/8140 IAT Level II certification (Security+ or equivalent)
• Tier 1 service desk operations and ticketing workflows

Experience with:

• Windows Server administration (AD DS, Group Policies)
• Red Hat Enterprise Linux (RHEL) or Linux variant
• Basic Systems & Network Administration, and Cybersecurity fundamentals
• DISA STIG compliance and patching
• Strong troubleshooting and documentation skills

Desired Skills:

• Familiarity with Proxmox or VMware (ESXi/vCenter) or other hybrid environments
• Automation/scripting/coding (PowerShell, JavaScript, Powershell, CSS, HTML, Ansible)
• Experience supporting classified or LVC training environments
• Knowledge of configuration management and system hardening best practices

Pulled from the full job description

• Tuition reimbursement
• Pet insurance
• Parental leave
• Health insurance
• 401(k) matching
• Vision insurance
• Health savings account, Our Total Rewards package includes competitive pay, performance-based incentives, and benefits that promote well-being and work-life balance-so you can thrive both professionally and personally. Eligible employees also gain access to a wide range of benefits from comprehensive health coverage and health savings accounts to retirement plans, life and disability insurance, and time-off programs that support work-life balance. Program availability may vary based on factors such as contract type, location, hire date, and applicable collective bargaining agreements.

Salary range: The range for this position can be found at the top of this posting. This range is provided as a general guideline and represents a good faith estimate across all experience levels. Actual base salary will be determined by a variety of factors, including but not limited to, the scope of the role, relevant experience, job-related knowledge, education and training, key skills, and geographic market considerations. For roles available in multiple states, the range may vary to reflect differences in local labor markets. In addition to base salary, eligible positions may include other forms of compensation such as annual bonuses or long-term incentive opportunities. Benefits - Comprehensible benefits for full-time employees (part-time employees receive a limited package tailored to their role):

• Medical, dental, and vision insurance
• Robust vacation and sick leave benefits, and flexible work arrangements where permitted by role or contract
• 401(k) plan that includes employer matching funds
• Tuition reimbursement program
• Life insurance and disability coverage
• Optional coverages that can be purchased, including pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Employee Assistance Plan

Serco Inc. (Serco) is the Americas division of Serco Group, plc. In North America, Serco’s 9,000+ employees strive to make an impact every day across 100+ sites in the areas of Defense, Citizen Services, and Transportation. We help our clients deliver vital services more efficiently while increasing the satisfaction of their end customers. Serco serves every branch of the U.S. military, numerous U.S. Federal civilian agencies, the Intelligence Community, the Canadian government, state, provincial and local governments, and commercial clients. While your place may look a little different depending on your role, we know you will find yours here. Wherever you work and whatever you do, we invite you to discover your place in our world. Serco is a place you can count on and where you can make an impact because every contribution matters.