System Administrator

We are seeking a skilled Microsoft Server Administrator to ensure the reliable operation configuration and maintenance of enterprise server infrastructure supporting USCENTCOM operations. This role is responsible for maintaining optimal system performance data integrity and security while supporting mission-critical operations in a high-tempo environment.

The Server Infrastructure Administrator will operate as a senior technical contributor and may provide coordination and technical leadership across a team of server administrators. This position requires strong troubleshooting expertise disciplined change management and the ability to support complex enterprise environments while collaborating across multiple IT domains.

Primary Responsibilities

• Maintain and manage enterprise server infrastructure ensuring systems are secure reliable and aligned with mission requirements.
• Develop and implement technical solutions for servers operating systems configurations and enterprise architecture.
• Troubleshoot and resolve complex system hardware software and Active Directory/Group Policy issues to minimize downtime and mission impact.
• Perform advanced software installations upgrades patching and updates to operating systems and layered applications.
• Monitor and tune systems to achieve optimal performance availability and reliability.
• Ensure data integrity and system security through implementation of approved configurations security controls and best practices.
• Lead or support disaster recovery and continuity efforts to ensure system and service recoverability.
• Conduct system and network audits to ensure compliance with DISA STIGs policies and configuration standards.
• Evaluate existing systems and recommend improvements to enhance performance scalability and security.

Technical Leadership & Coordination (Non-Supervisory)

• Provide technical leadership and coordination across a team of server administrators supporting enterprise operations.
• Lead or coordinate task execution for complex high-visibility or time-sensitive operational efforts.
• Serve as an acting senior point of contact during outages escalations or when team leadership is unavailable.
• Assist in prioritizing workload and aligning team efforts with mission requirements SLAs and operational priorities.
• Coordinate with cross-functional teams (ESS Virtualization Storage Network Monitoring Customer Support) to resolve issues and implement solutions.

Secondary Responsibilities

• Collaborate with IT teams to design and implement infrastructure solutions aligned with organizational and mission objectives.
• Provide mentorship and guidance to less-experienced administrators promoting technical growth and knowledge sharing.
• Develop and maintain SOPs playbooks and technical documentation to support operational continuity.
• Perform DISA STIG review implementation and compliance validation.
• Support incident response activities bridge calls and troubleshooting efforts during major outages or events.
• Contribute to process improvement standardization and automation initiatives across the server environment.

Required Qualifications

• Technical training certifications (CompTIA Security) or a degree in a related field.
• Minimum 8 years of experience in system administration or a related role in an enterprise environment.
• Proficiency in managing and troubleshooting Windows Server environments Active Directory and Group Policy.
• Strong experience with system configuration patching and lifecycle management.
• Experience with system backup recovery and continuity processes.
• Ability to operate within structured change management processes in a mission-critical environment.

Desired Qualifications

• Advanced certifications (e.g. Microsoft Certified: Azure Administrator CompTIA Server or equivalent).
• Experience with virtualization technologies (e.g. VMware Hyper-V).
• Familiarity with automation and scripting (e.g. PowerShell Ansible).
• Experience supporting DoD or Combatant Command environments.
• Strong ability to evaluate and recommend technical improvements and modernization efforts.

Skills

• Advanced troubleshooting and analytical skills across server infrastructure and enterprise systems.
• Strong understanding of system performance tuning optimization and reliability engineering.
• Ability to communicate technical concepts clearly to both technical and non-technical stakeholders.
• Proven ability to lead technical efforts and coordinate across multiple teams.
• Ability to work effectively in a fast-paced high-tempo mission-critical environment.

Travel Requirements

• Up to 10% travel to OCONUS locations for USCENTCOM exercise support.

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Original Posting:

Pay Range:

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.