Senior Linux Systems Administrator

Top Skills' Details*** SAIC prefers this candidate to be located in the Eastern or Central Time Zone
***MUST POSSESS ACTIVE SECURITY+ce and SECRET CLEARANCE***
1. Previous responsibilities of new server installations, configuration, migrations, and maintenance of ~700 Red Hat Enterprise Linux (RHEL) virtual servers.
2. Red Hat versions span 6, 7, 8, and 9. Maintenance includes software installation, customer incidents and requests, OS patching, resolving alerts, and system improvements.
3. An in-depth knowledge of RHEL OS, excellent troubleshooting skills, and experience with automation concepts are expected.
Description
PRIMARY RESPONSIBILITIES:
Gather customer requirements and complete new server builds per operational procedures.
Perform server decommissions per operational procedures.
Perform day-to-day operational maintenance, customer support, and program compliance.
Execute yum/dnf installation and updates of Red Hat packages.
Remediation of IAVM and ACAS vulnerability reports.
Understand and audit DISA STIG checklists, including usage of automated SCAP scans.
Execute Ansible automation content to audit and remediate compliance.
Define technical details within milestones for Plan of Action & Milestones (POA&Ms).
Effectively communicate with customer and implement resolution for operational compliance.
Assess, suggest, and implement system performance improvements.
Modify and establish storage allocation, including NFS.
Understand, troubleshoot, and improve functionality within SELinux, AIDE, fapolicyd, firewalld, Red Hat Identity Management (RHIdM), Red Hat Satellite, and Trellix products.
Conduct root cause analysis and articulate to customer.
Assist customers with migrating functionality to new servers with latest RHEL OS.
Participate in on-call rotation to support outages and occasional after-hours maintenance.
Create and improve documented Standard Operation Procedures.
Skills
secret clearance, security clearance, security+, sec+, Rhel, rhel 7, rhel 6, rhel 8, rhel 9, gitlab, Linux, System administrator, Red hat, Storage, Systems engineering, Active directory, Troubleshooting, Scripting
Top Skills Details
secret clearance,security clearance,security+,sec+,Rhel,rhel 7,rhel 6,rhel 8,rhel 9,gitlab,Linux,System administrator,Red hat
Additional Skills & Qualifications
REQUIRED EXPERIENCE:
9+ years of experience in Red Hat Enterprise Linux systems administration, matching skills identified within Primary Responsibilities.
REQUIRED EDUCATION, CLEARANCE & CERTIFICATIONS:
BA/BS with 9+ years IT experience, MA/MS with 5+ years IT experience; other relevant experience may be considered in lieu of a degree
CompTIA Security+ CE (or other IAT-II equivalent IAW 8750 requirements)
Linux environmental certificate (i.e. Linux+, RHCSA, or similar)
Experience Level
Expert Level
Job Type & Location
This is a Contract position based out of Mc Lean, VA.
Pay and Benefits
The pay range for this position is $50.00 - $55.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully remote position.
Application Deadline
This position is anticipated to close on Mar 4, 2026.
>About TEKsystems:
We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.