Sr Systems Admin

About the role

We are seeking a highly skilled Senior Systems Administrator to join a small, collaborative team supporting enterprise server and virtual infrastructure environments.

Responsibilities

• Serve as a Tier II/III escalation point for major incidents, outages, and complex technical issues.
• Administer, configure, maintain, and troubleshoot enterprise server environments.
• Perform system upgrades, patches, configuration changes, and break-fix activities.
• Support and manage Windows, Linux, and Solaris server environments, with primary emphasis on Linux administration.
• Create, maintain, and improve technical documentation, knowledge articles, and Standard Operating Procedures (SOPs).
• Review technical work performed by junior team members and provide coaching and mentorship.
• Identify opportunities to improve operational efficiency, system stability, and support processes.
• Collaborate with infrastructure, network, and cybersecurity teams to resolve cross-functional issues.
• Participate in problem management and root cause analysis efforts for recurring incidents.

Qualifications

• 8+ years of overall experience and a Bachelors degree. Other level of degrees will be accepted with correlating years of experience.
• Sec+ certification or other DoD 8140 certification.
• Strong experience administering Linux servers.
• Working knowledge of Windows Server environments.
• Experience working in virtualized environments.
• Proven ability to create and maintain technical documentation and SOPs.

Benefits

Salary/Pay range: $60-65/hr Schedule: 5:00am-1:00pm

Please note that candidates must be able to obtain and/or maintain a Department of Defense Top Secret clearance as a condition and continuation of employment.

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law.