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Keywords: Sr. Linux/Windows Systems Administrator - Top Secret Clearance, Location: USA

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Sr Principal Software Factory (SWF) Linux Systems Administrator - Secret

is seeking a highly experienced (Sr. Principal level) Software Factory (SWF) Linux Systems Administrator to join its dynamic team.... This is not a virtual position. The Software Factory (SWF) Linux Systems Administrator is not a traditional “keep‑the‑servers‑running...

Company: Northrop Grumman
Location: Chandler, AZ
Posted Date: 27 Jan 2026
Salary: $111700 - 167500 per year

Sr Principal Linux Systems Administrator - Secret

will include but not be limited to the following: Perform as primary Linux Systems Administrator for a classified government...RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time...

Company: Northrop Grumman
Location: Boulder, CO
Posted Date: 12 Dec 2025
Salary: $124900 - 187300 per year

IT Systems Engineer, Sr / Top Secret / Onsite: KoP, PA

LMCareers Business Unit ENTERPRISE BUSINESS SERVICES Security Clearance Top Secret Shift First Direct... (No dual citizenship). - Top Secret level security clearance required. - Ability to move, rack, stack and install...

Posted Date: 24 Jan 2026
Salary: $98300 - 170315 per year

Sr Principal Network Communications Administrator - Secret

to be considered with the ability to obtain and maintain a DOD Top Secret clearance as a condition of continued employment Candidates... systems or equivalent Active Top Secret, TS/SCI, Polygraph, or SAP/SAR access would be nice to have A professional...

Company: Northrop Grumman
Location: Melbourne, FL
Posted Date: 30 Jan 2026
Salary: $111700 - 167500 per year

High Performance Computing (HPC) Systems Administrator 4/5 - Secret

is seeking a highly experienced (Sr Principal or Staff level) High-Performance Computing (HPC) Systems Administrator. The...) systems Administration experience to include knowledge of Windows, VMWare, Linux, RedHat, CentOS, AWS, Azure...

Company: Northrop Grumman
Location: Chandler, AZ
Posted Date: 27 Jan 2026
Salary: $111700 - 167500 per year

Sr. Principal System Administrator

, or an advanced degree and 5 years of direct experience. Active and transferable U.S. government issued top secret security clearance... are eligible for a security clearance​ Security Clearance Type: Secret - Current Security Clearance Status: Active and existing...

Location: Tucson, AZ
Posted Date: 24 Jan 2026

Sr. Systems Administrator

job As a Senior Systems Administrator, you will support our senior infrastructure team in ensuring that the internal IT structure... systems Deploy and configure Linux servers Set up and reformat physical work machines Ensure systems are kept in the...

Posted Date: 18 Dec 2025
Salary: $80000 - 125000 per year

Sr. Systems Administrator

are eligible for a security clearance​ Security Clearance Type: DoD Clearance: Top Secret Security Clearance Status: Active... in a related field. Active and transferable U.S. government issued Top Secret security clearance is required prior to start...

Posted Date: 28 Jan 2026
Salary: $75800 - 144200 per year

System Administrator (RHEL) – Level 3 or 4

, configure, troubleshoot, and maintain Windows and Linux VMs via OpenStack. Provide accurate logs so that the development... in the basic qualifications detailed below as well as the interview assessment. Requires an active/current Top-Secret (TS...

Posted Date: 06 Feb 2026
Salary: $94200 - 141200 per year

Systems Admin Sr

. In this Sr System Administrator position supporting both Windows and Linux systems you will make impacts in the following ways... your career with BAE Systems. BAE Systems is seeking a Senior Closed Area Systems Administrator with proficiency in both Windows...

Company: BAE Systems
Location: Nashua, NH
Posted Date: 16 Jan 2026

Systems Admin Sr Prin

Salary Max Point 226035 Clearance Level - Must be able to obtain for position Top Secret/SCI Polygraph Shift...Recruiter David Etnire Job Description We are looking for a highly skilled Senior Cloud Systems Administrator...

Company: BAE Systems
Location: Sterling, VA
Posted Date: 08 Feb 2026

Systems Admin Sr Prin II

Recruiter Edwin Ellis Job Description BAE Systems, a top-ten prime contractor to the U.S. Department of Defense... community; driven to improve our future and protect our freedom. We are looking for experienced Systems Administrator...

Company: BAE Systems
Location: Dulles, VA
Posted Date: 05 Feb 2026

Systems Admin Sr

your career with BAE Systems. BAE Systems is seeking a Senior Closed Area Linux Systems Administrator to provide comprehensive... is required by contract. Active U.S. Secret Security Clearance is required with the ability to obtain a Top Secret- SCI along with an active...

Company: BAE Systems
Location: San Diego, CA
Posted Date: 16 Jan 2026

Systems Admin Sr Prin

- Must be able to obtain for position Top Secret/SCI Polygraph Shift 1st Shift Union Job None Business Area... methodologies Administer a variety of virtualization environments including Windows, Citrix and Linux Demonstrate strong customer...

Company: BAE Systems
Location: Huntsville, AL
Posted Date: 26 Dec 2025

Systems Admin Sr

to: Manage and maintain the infrastructure that powers networks and operating systems such as UNIX, Linux, and Windows. Install... 161680 Clearance Level - Must be able to obtain for position Top Secret/SCI Polygraph Shift 1st Shift Union...

Company: BAE Systems
Location: Washington DC
Posted Date: 05 Dec 2025

Systems Admin Sr Prin

to: Manage and maintain the infrastructure that powers networks and operating systems such as UNIX, Linux, and Windows. Install... 221603 Clearance Level - Must be able to obtain for position Top Secret/SCI Polygraph Shift 1st Shift Union...

Company: BAE Systems
Location: Washington DC
Posted Date: 05 Dec 2025

Eng Sr Prin II - SW

Point 249330 Clearance Level - Must be able to obtain for position Top Secret/SCI Polygraph Shift 1st Shift...Recruiter Dee Dunn Job Description BAE Systems, a top-ten prime contractor to the U.S. Department of Defense...

Company: BAE Systems
Location: Herndon, VA
Posted Date: 07 Feb 2026

Eng Sr Prin II - Sys

Max Point 254317 Clearance Level - Must be able to obtain for position Top Secret/SCI Polygraph Shift 1st Shift...Recruiter Dee Dunn Job Description BAE Systems, a top-ten prime contractor to the U.S. Department of Defense...

Company: BAE Systems
Location: Herndon, VA
Posted Date: 28 Jan 2026

Eng Sr Prin II - Sys

Point 249330 Clearance Level - Must be able to obtain for position Top Secret/SCI Polygraph Shift 1st Shift... Cybersecurity Engineers with a minimum of sixteen (16) years' experience. Strong knowledge of Windows and Linux operating systems...

Company: BAE Systems
Location: Herndon, VA
Posted Date: 18 Jan 2026

Eng Sr Prin II - SW

Point 249330 Clearance Level - Must be able to obtain for position Top Secret/SCI Polygraph Shift 1st Shift...Recruiter Dee Dunn Job Description BAE Systems, a top-ten prime contractor to the U.S. Department of Defense...

Company: BAE Systems
Location: Herndon, VA
Posted Date: 14 Dec 2025