Senior Systems Administrator

Position Overview

Senior Systems Administrator in support of the Anti‑Terrorism Force‑Protection (AT/FP) program with the United States Navy, based in Bahrain. Requires 25% or more travel; additional sites include Isa Air Base and Djibouti. Supports CNIC PSS Ashore Program, designing, procuring, installing, and sustaining systems to protect mission‑critical assets.

Responsibilities

• Set up and maintain systems and components, including installing, configuring, and updating hardware and software.
• Establish and manage user accounts; oversee or conduct backup and recovery tasks.
• Implement operational and technical security controls in line with organizational policies.
• Contribute to all phases of the development lifecycle.
• Plan and accomplish goals using experience and judgment.
• Provide preventive and corrective maintenance, information assurance, asset management, technical system updates, service call resolution, and configuration management for C4I systems worldwide.
• Patch management and testing; STIG implementation, remediation, and mitigation.
• Information assurance/security; host‑based security/anti‑virus and data backup solutions.
• System administration and engineering support for Windows 10/11, Windows Server 2016/2019/2022, VMware ESXi, vSphere, and Cisco iOS.

Required Qualifications

• Current and active DoD Secret Security Clearance.
• Bachelor’s degree in a STEM field with at least 4 years of systems administration experience, or high school diploma with at least 8 years of experience.
• CompTIA Security+ (minimum) or higher DoD 8570 IAT Level II certification.
• Strong understanding of Microsoft Windows operating systems.
• Experience managing Windows Active Directory, Group Policy, VMware ESXi, and data backup solutions such as BackupExec and Macrium Reflect.
• Experience with vulnerability remediation and STIG configuration for system hardening.
• Ability to multitask and train or assist others in resolving system‑related issues.
• Strong analytical and problem‑solving skills.
• Ability to create Standard Operating Procedure documentation and technical publications.
• Familiarity with DoD networking and security accreditation requirements.
• Ability to support projects at client sites with varying conditions.
• Ability to travel as necessary (25% or more).

Preferred Skills

• Experience with Trellix (McAfee) HBSS, ACAS, SCAP, STIGs, VRAM, eMASS, and DoD RMF.
• Experience with Navy Anti‑Terrorism/Force Protection systems.
• Database solutions such as Microsoft SQL or Oracle SQL.
• CCNA certification.
• Experience with Navy Emergency Management Systems.

Equal Opportunity Employer

Serco is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics.