Senior Systems Administrator [$284k/yr+] TS/SCI-FS Poly with Security Clearance

SYSTOLICAnnapolis Junction, MD🇺🇸United StatesPosted Oct 19, 2026

Why This Role Stands Out

Leverage your extensive systems administration expertise in a hybrid role offering exceptional growth and the opportunity to safeguard critical national security missions, with total compensation exceeding $284k annually. This position is ideal for seasoned professionals with a TS/SCI-FS Poly clearance who excel in managing complex Windows and Linux environments, virtualization, and security compliance. Embrace this chance to make a significant impact within a mission-driven organization that prioritizes employee experience.

Quick Overview

Seniority

Mid Senior

Employment type

Employee

Work mode

Hybrid

Location

Annapolis Junction, MD, United States

Posted

21 hours ago

Active DirectoryVMware

Job Description

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered.

Summary: • Administer Windows and Linux server environments within secure enclaves • Manage VMware virtual infrastructure, virtual networking, and storage solutions • Oversee network switching, routing, and system recovery operations • Maintain baseline security through system hardening and vulnerability compliance scanning Qualifications && Compensation: • Degree: Technical bachelor's degree or equivalent experience • Years of experience: 15+ years • Total Compensation: $284k+ yearly Job Description: • Install, configure, update, and troubleshoot Windows and Linux servers and hardware • Administer Active Directory, Group Policy, user accounts, and access permissions • Deploy, configure, and maintain VMware ESXi, vCenter, and virtual networks • Manage network switching, routing configurations, and NetApp storage systems • Perform vulnerability scanning and security assessments using Nessus and ACAS in alignment with RMF requirements • Apply system hardening techniques to ensure continuous compliance with security baselines • Plan, implement, and validate data redundancy, backup, and disaster recovery procedures • Conduct functional and connectivity testing to guarantee continuing network operability • Monitor system performance, availability, serviceability, and storage capacity • Develop and maintain comprehensive systems administration standard operating procedures About SYSTOLIC: SYSTOLIC is dedicated to giving our employees the best possible company experience so that they can focus on providing outstanding support to their customer’s mission.

Our company is founded on integrity, enthusiasm, and a relentless commitment to supporting the Intelligence Community. You can learn more about us and submit an application to be considered against our current and future openings at https://systolic.com. To learn about our compensation ranges, visit our

Pay Transparency page at: https://systolic.com/pay-transparency