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Keywords: IT Linux Systems Engineer - Top Secret Clearance, Location: USA

Page: 11

Principal Software Engineer

JOB STATUS: Full-time CLEARANCE: Top Secret/SCI CERTIFICATION: n/a TRAVEL: Limited, as needed Astrion as an exciting...: Must have and be able to maintain a Top Secret Level Clearance with current SCI eligibility Citizenship: Must be a US citizen PREFERRED...

Company: Astrion
Location: Bedford, MA
Posted Date: 18 Dec 2025

Principal Software Engineer

-$170,000 annually JOB STATUS: Full-time CLEARANCE: Top Secret/SCI CERTIFICATION: n/a TRAVEL: Limited, as needed Astrion...: Must have and be able to maintain a Top Secret Level Clearance with current SCI eligibility Citizenship: Must be a US citizen PREFERRED...

Company: Astrion
Location: Bedford, MA
Posted Date: 18 Dec 2025

Cyber Security Forescout Engineer (TS/SCI CI Polygraph)

. Over 1 year of experience in Windows or Linux systems administration, including basic troubleshooting, installation... products, highly available solutions, scalable solutions, secure solutions, Forescout, fireeye, Top Secret, TS/SCI...

Posted Date: 18 Dec 2025
Salary: $135000 - 155000 per year

Lab Support Services Engineer - TS/SCI

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able... to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations...

Company: General Dynamics
Location: Sterling, VA
Posted Date: 17 Dec 2025
Salary: $144500 - 195500 per year

Network Security Engineer (Splunk) - TS/SCI with Polygraph

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level... Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Cyber and IT Risk Management...

Company: General Dynamics
Location: Herndon, VA
Posted Date: 17 Dec 2025

Computer Security Engineer

Job Title: Computer Security Engineer Location: Alexandria, VA (Onsite) Clearance Required: Top Secret Employment... Required Certifications: IAT Level II (CompTIA Security+, SSCP, or equivalent) AZ-900 Top Secret Clearance Preferred Certifications: SC...

Posted Date: 16 Dec 2025

Site Reliability Engineer

Site Reliability Engineer Space & Intelligence Systems Location: Aurora, CO (Onsite 23 Days/Week at Buckley Space... for a high-performing Site Reliability Engineer (SRE) to support mission-critical systems within a world-class aerospace...

Posted Date: 15 Dec 2025

IDS/IPS Cyber Engineer

clearance, active secret clearance, active directory, CompTIA, troubleshooting, monitoring, end user support, red hat, linux... a Network Intrusion Detection Engineer to join our cybersecurity team. The ideal candidate must possess strong Linux engineering...

Location: Reston, VA
Posted Date: 14 Dec 2025
Salary: $130000 - 155000 per year

Software Engineer II - Embedded Comms (Onsite)

is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance: DoD Clearance: Top Secret At Collins Aerospace, we don... is a plus Experience with Linux development environments Experience with Git or other version control systems Experience...

Posted Date: 14 Dec 2025
Salary: $66000 - 130000 per year

Senior Software Engineer - Embedded Comms (Onsite)

is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance: DoD Clearance: Top Secret Collins Aerospace, an RTX...; and other radio frequency (RF) systems. Here, you’ll collaborate with top-tier engineers and industry experts, leveraging advanced...

Posted Date: 14 Dec 2025
Salary: $82000 - 164000 per year

Principal Software Engineer - Embedded Comms (Onsite)

is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance: DoD Clearance: Top Secret Collins Aerospace, an RTX...; and other radio frequency (RF) systems. Here, you’ll collaborate with top-tier engineers and industry experts, leveraging advanced...

Posted Date: 13 Dec 2025

Cloud Security Engineer

(Azure Entra ID, AWS IAM, Keycloak). Active Top Secret clearance with SCI eligibility. Bachelor's degree and 8+ years...Responsibilities A Cloud Security Engineer is needed to assist in the planning, building and management...

Company: Peraton
Location: Linthicum, MD
Posted Date: 13 Dec 2025
Salary: $112000 - 179000 per year

Guidance Navigation and Control (GNC) Engineer – Level 3 (Chandler)

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time...+ years of experience in lieu of degree. Active U.S. Government DoD Secret security clearance at time of application...

Company: Northrop Grumman
Location: Chandler, AZ
Posted Date: 12 Dec 2025
Salary: $95300 - 142900 per year

Platform Integration Engineer

or Masters with 2-6 years of prior relevant experience. Must have a current and active Secret clearance. Clear communication...Leidos has an opening for a highly qualified Platform Integration Engineer for the Multi-Domain Solutions Division...

Company: Leidos
Location: USA
Posted Date: 12 Dec 2025
Salary: $87100 - 157450 per year

Mid-level Malware Reverse Engineer

from a variety of operating systems such as Linux, Mac, Windows, IOS and Android operating systems, and IOT network devices... or custom packers). Disassembling/disassemblers experience. U.S. citizenship required. An Active Top Secret security...

Company: Peraton
Location: Arlington, VA
Posted Date: 12 Dec 2025
Salary: $112000 - 179000 per year

Infrastructure / Networking Engineer II

issued Top Secret SCI (TS/SCI) clearance with polygraph after start date. U.S. citizenship... Experience with automated system deployments Existing Top-Secret SCI (TS/SCI) with Poly (Active within the last 24 months...

Posted Date: 12 Dec 2025
Salary: $66000 - 130000 per year

Senior Malware Reverse Engineer

required. An Active Top Secret security clearance with the ability to obtain SCI. In addition, the selected candidate must be able... applications from a variety of operating systems such as Linux, Mac, Windows, IOS and Android operating systems, and IOT network...

Company: Peraton
Location: Arlington, VA
Posted Date: 12 Dec 2025

Helix - Principal Devops Engineer/Architect

; certifications such as ITIL, MCSE, VCP, AWS, GCP, or OCI are a plus. Eligibility to obtain a US Secret Security Clearance; current...'s most forward-thinking IT organizations, helping them focus on what matters most. What are we passionate about? We're here to reset...

Company: BMC Software
Location: USA
Posted Date: 12 Dec 2025

Senior Infrastructure / Networking Engineer

issued Top Secret SCI (TS/SCI) clearance with polygraph required after start date. U.S. citizenship... Experience with automated system deployments Existing Top-Secret SCI (TS/SCI) with Poly (Active within the last 24 months...

Posted Date: 12 Dec 2025
Salary: $82000 - 164000 per year

Operations Support Engineer

to obtain Secret clearance from the United States Government. We are hiring immediately for an Operations Support Engineer... and external vendors. Minimum requirements: Must be a U.S. citizen and must be able to obtain a Secret security clearance...

Location: Longmont, CO
Posted Date: 11 Dec 2025
Salary: $58000 - 96000 per year