Senior Linux Admin & Security Engineer (Secret Cleared)
Apex Systems Inc
Everforth Apex Systems in Denver, CO seeks a technically skilled professional for security-focused IT support. You will perform vulnerability remediation, hardening, and root cause analysis across Linux/Unix environments. Responsibilities include patch management, scripting for automation, and asset control, ensuring robust security and compliant operations. Requires active clearance and DoD-aligned certification readiness. #J-18808-Ljbffr Apex Systems
$165.01k - $226.89k
## Principal Systems Security Engineer / Senior ISSMApplyremote type: In officelocations: Lone Tree, COtime... ...STIGs / SRGs, eMASS / XACTA, RHEL / Linux, vSphere/VMware, GitLab / GitHub, Bash... ..., PPSM Creation* **Current/Active Top Secret U.S. Security Clearance is required.**...SeniorWork experience placementWork at office- Sierra Nevada Corporation is looking for a Principal Systems Security Engineer in Lone Tree, CO. This role involves overseeing the cybersecurity... ..., and hands-on experience with SIEM tools. A current Top Secret U.S. Security Clearance is mandatory. #J-18808-Ljbffr Sierra...Senior
- GliaCell Technologies in Aurora, Colorado, is seeking a Senior Software Engineer to support U.S. Government missions. This full-time role involves developing and maintaining complex software systems critical to government contracts. Qualified candidates should possess...SeniorRemote jobFull time
- ...a candidate with extensive experience in Linux and HPC technologies. The role requires the... ..., with US Citizenship and an active Secret Clearance. Ideal candidates should have a... ...production infrastructure support and a Security+ certification. Strong IT skills and proficiency...Suggested
$90k - $120k
...Location: Littleton, CO (Hybrid) Security Clearance: Active Secret clearance required (Interim ok)... ...exploitability. Work collaboratively with engineering and operations teams to drive... ...actual risk, and communicate clearly with technical and non-technical stakeholders...SuggestedInterim role- ...and perform system hardening to ensure the security of our systems. Root Cause Analysis:... ...analysis to resolve technical issues in Linux environments, identifying and addressing... ...company policies. Basic Qualifications Secret Security Clearance (US Citizenship required...Senior
$160k - $205k
...Overview Bank of America is seeking a Senior Full Stack Penetration Tester to join the Cyber Security Assurance Division. The role... ...projects. Mentor junior engineers and assist with monitoring and... ...perspective and articulate risk clearly. Proficiency with common penetration...SeniorRemote work$160k - $205k
...grow, and make an impact. Join us! Senior Full Stack Pentester – Cyber Security Assurance Division Are you... ...and experience by mentoring junior engineers, and assist with monitoring and response... ...threat actor and articulate risk in clear, precise terms to technical and...SeniorWork at officeRemote workShift workDay shift- ...mission-critical defense systems. You will oversee database administration, performance tuning, and security for SQL databases onsite in Colorado Springs, CO, with an active Secret clearance and on-call duties. Requirements include 7+ years in database administration, 5+...
- Brandes Associates, Inc. is looking for a Manager/Operations Manager Senior with over 10 years of experience. This role involves serving as... ...environment. Applicants must have a Master’s degree and an active DoD Secret Clearance. #J-18808-Ljbffr Brandes Associates, Inc.Senior
$93.2k - $164.45k
...Martin Space is seeking a Senior Software Engineer to join our team in Littleton... ...Support the Global Security portfolio of programs by developing... .... Experience with Linux and Windows environments.... ...currently possess an active Top Secret clearance with adjudicated...SeniorFull timeTemporary workRelocationFlexible hoursShift work- ...Colorado. This role involves installing, configuring, and maintaining Linux workstations and servers while ensuring data integrity and... ...Responsibilities include scripting for system metrics and managing upgrades in a secure governmental environment. #J-18808-Ljbffr Infozone IncSenior
- ...defense contractor is seeking a Program/Project Management Analyst Senior in Lone Tree, Colorado. This role requires 10+ years of relevant... ...project documentation. Applicants must have an active DoD Secret Clearance and US citizenship. The company offers competitive benefits...SeniorFor contractors
$93.2k - $164.45k
...Colorado, is seeking an Experienced Professional in Software Engineering to support hypersonic missile development. You will work on the... ...problem-solving and communication skills. The position requires a Secret clearance, and offers benefits like medical, dental, vision,...Senior$150k - $175k
...and supports you. Position: Senior Linux Systems Administrator (TS/... ...Polygraph issued by the National Security Agency (NSA) Fifteen (15)... .... DeNOVO Solutions provides cleared personnel and cost... ...(SDVOSB), we bring together engineers, analysts, and innovators to...SeniorFull timeRelocation package- ...that solves the next generation of engineering, manufacturing, and operational challenges for space security and sustainability. Your Mission As a Senior Application Security Engineer, you will... ...U.S. Citizen and eligible for DoD Secret or TS/SCI clearance To conform to U....SeniorPermanent employmentShift work
$145k - $195k
...solves the next generation of engineering, manufacturing, and operational challenges for space security and sustainability. OUR MISSION... ...satellite operations. As our Senior Cloud Security Engineer, you’ll... ...Vault as the central secrets management platform—including...SeniorPermanent employmentWork at office- ...experienced developer with over 8 years of experience in embedded C development and WiFi networking. The role requires strong expertise in Linux kernel development, networking protocols, and debugging skills. Ideal candidates will have experience in creating packages and...Senior
- ...eager to be part of an innovative company that’s on a journey to transform the world’s infrastructure. We are seeking a Senior Security Engineer working directly with Endeavour’s IT team and focusing on troubleshooting technical issues, providing solutions, enhancing...SeniorFull timePart timeLocal areaImmediate startRemote workFlexible hours
$89.3k - $157.44k
...our technologies, our security, and our humanity. While... ...the brightest minds in engineering to design and integrate... ...quantification) Ability to generate clear visualizations and... ...Experience with Linux development... ...requirements Active Top Secret security clearance - required...Temporary workFlexible hours- ...Job Requirements Littleton, CO Top Secret/SCI CI Polygraph Career Level not specified... ...Salary not specified Job Description Linux Administrator SME for support teams which... ...to implement functionality or address security concerns Familiarity with automating approaches...
- ...Fairygodboss is looking for an Infrastructure Engineer Sr. to join their team. You will be responsible for developing, testing, and deploying application packages for RedHat Linux servers, alongside creating automation scripts and optimizing package installations. The...Senior
- Geologics Corporation in Aurora, CO is seeking a Senior Principal Systems Engineer to support key space intelligence programs. The ideal candidate will have a TS/SCI clearance and extensive experience in systems engineering. Responsibilities include defining system capabilities...Senior
$92.3k - $166.85k
...cyber, logistics, security operations, and decision... ...seeking a Senior Systems Administrator... ..., mentor junior admins, and ensure availability... ...Required Top Secret with the ability to... ...for Linux and Windows-based... ...cybersecurity, network engineering, and software development...SeniorContract work$145k - $192.5k
...Job Description Bank of America’s Global Information Security (GIS) team is looking for a Cyber Threat Defense AI Security Senior Engineer to lead the integration of advanced AI technologies into our cyber defense ecosystem. The individual will own innovation across preventative...SeniorShift workDay shift$135k - $165k
...Job Title : Senior Database Administrator (Metabase... ...government, and corporate security teams. The data our... ...to join our Engineering organization. You will... ...technical findings into clear guidance for engineering... ...Language: English Active DoD Secret clearance, or...SeniorFull timeWork at officeRemote work- ...some of the best information security professionals in the world in... ...Assurance Division is looking for a Senior Full Stack Pentester to join... ...by mentoring junior engineers, and assist with monitoring and... ...actor and articulate risk in clear, precise terms to technical and...SeniorWork at officeRemote workShift workDay shift
$131k - $169k
...and on Fortune magazine's Best Small Workplaces™ List. Senior Security Engineer Our Engineering Standards at Karbon: Balance Speed and... ...in design discussions, reviews, and planning, communicate clearly about progress and risks, and support shared team outcomes...SeniorWork at officeWork from homeFlexible hoursDay shift$95k - $116k
A government contractor is hiring a Linux Applications Administrator in Denver, Colorado. The role involves supporting Linux-hosted applications and overseeing lifecycle management, including setup, deployment, and troubleshooting. Ideal candidates will have 5+ years of...SeniorFor contractors- Responsibilities Ensure systems meet security and compliance standards. Manage user accounts, network rights, and system access. Configure... ...administration experience may replace degree.) Experience with Linux, Windows, and Virtualization technologies. #J-18808-Ljbffr...Senior
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