Title: Senior Systems Administrator
Location: Tysons Corner, VA (Hybrid, 3 days onsite)
Type: FTE, Direct Hire
Base Salary Range DOE: $130-160k
**No third parties**

We're looking for a Senior Systems Administrator with deep expertise in both Linux (RHEL) and Windows environments, to join a high-performing technical operations team. This individual will play a central role in the administration of mission-critical, high-availability on-prem infrastructure, supporting global data delivery systems.

Key Responsibilities:

• Design, deploy, and support secure, stable infrastructure across production, test, and development environments.
• Administer and harden Linux (RHEL 8) and Windows servers to meet strict security and availability standards.
• Automate system management tasks using tools like Ansible, Puppet, or similar configuration management solutions.
• Oversee patching, upgrades, backups, and disaster recovery readiness.
• Manage centralized authentication systems (e.g., LDAP, Active Directory).
• Monitor system performance and conduct root cause analysis of incidents.
• Maintain accurate documentation for procedures, configurations, and system architecture.
• Respond to and resolve escalated operational issues, often working with external vendors and geographically distributed teams.
• Support system-level testing for performance, redundancy, and fault tolerance.
• Contribute to policy and process improvements for infrastructure reliability and security posture.

Skilled Needed:

• Strong hands-on (8 years+) experience administering both Linux (RHEL 8) and Windows systems in an enterprise setting.
• Experience with centralized identity management (LDAP, AD), virtualization, and scripting for automation.
• Familiarity with configuration management and infrastructure-as-code tools.
• Solid understanding of system and network monitoring tools and best practices.
• Experience working in environments governed by strict security controls or compliance frameworks.
• Excellent communication and documentation skills; able to work effectively across distributed teams and vendors.
• Ability to manage multiple priorities in a fast-paced, collaborative environment.
• U.S. Citizenship or permanent residency is required as eligibility for a Public Trust Clearance may be required.

To be considered for the role please apply online or email an updated Resume to William Barclay at Oliver James - william.barclay@oliverjames.com