Senior Linux Engineer (TS/SCI) Onsite
Shield Consulting Solutions
Shield Consulting Solutions, Inc. is seeking a highly experienced Linux systems engineer with active TS/SCI w/ Polygraph clearance for an on-site role in Laurel, MD. Responsibilities include deploying and securing Linux environments, supporting IT systems, and maintaining infrastructure across multiple domains. The candidate will optimize performance, handle complex integrations, and participate in capacity planning. #J-18808-Ljbffr Shield Consulting Solutions
- Shield Consulting Solutions seeks a Senior Linux Systems Administrator to support Tier 1 and Tier 2 incident resolution, and to manage day... ...tools like Ansible. The ideal candidate holds active TS/SCI with Poly, a technical bachelor’s degree (or equivalent with 8...Senior
$119.5k - $275k
Federal HPC Linux System Administrator, (Clearance required TS/SCI with Poly) On-Site, MarylandThis role has been designed as ‘’Onsite’ with an expectation that you will primarily work from... ...Bachelor’s degree in Computer Science, Engineering, or related area of study OR...SuggestedFull timeWork experience placementWork at office$112k - $179k
...opportunity for an experienced Senior Systems Administrator to provide system engineering, application and hardware support... ...right candidate will hold an active TS/SCI clearance, with the ability to... ...: Annapolis Junction, MD; onsite 5 days a week. What you will do:...SeniorContract workRemote workShift work- GliaCell is seeking a Senior Reverse Engineer / CNO Developer on a full-time, on-site role in Laurel, MD. This position requires an active TS/SCI with Polygraph clearance and offers work on government-focused software and threat mitigation projects. You will augment toolsets...SeniorFull time
$25k
...Job Description Job Description Test Engineer – Linux/Scripting/Splunk - 5+ yrs of Experience - TS/SCI w/Poly Clearance Halogen Engineering Group is looking... ...Required: No Shift: Day Remote Type: Onsite Security Clearance: Current TS/SCI...SuggestedContract workTemporary workRemote workShift work$146k - $234k
...discipline and 15 years of system administration experience. Five years of additional experience may be substituted for a BS.An active TS/SCI w/Poly is required.5+ years of combined experience in network administration (mid-level) to include working knowledge of Cisco...SeniorContract workRemote workShift work- ...Description SYSTEMS ADMINISTRATOR SME – LINUX Grow your impact. Grow your career.... ...with Linux operating systems • Active TS/SCI with polygraph • US citizenship •... ...Growth Opportunities: Work alongside top engineers, gain exposure to cloud environments, automation...Long term contractContract workWork from homeRelocation packageFlexible hours
- GliaCell is seeking a Senior Full Stack Software Engineer on one of our subcontracts. This is a full-time role supporting a U.S. Government customer... ...stakeholders to meet evolving mission needs. Laurel, MD onsite role with competitive compensation. #J-18808-Ljbffr GliaCell...SeniorFull time
$176k - $282k
ResponsibilitiesThe Systems Engineer -Splunk Administrator will support a critical mission of consequence within our Cyber Mission Business... ...with Splunk and in planning and leading SystemsActive TS/SCI security clearance with current polygraph requiredHighly Desired...SeniorContract workFor contractorsShift work- ...An active Top Secret/SCI Clearance with a Full Scope Polygraph is required. This job is onsite in Annapolis Junction, MD with up to... ...immediate need for a DevOps Engineer to focus on DevOps engineering... ...Required Technical Skills: Linux AWS, MASH, and VMs Docker...Full timeImmediate startRemote work1 day per week
$146k - $234k
ResponsibilitiesPeraton is seeking a highly skilled Senior Test Engineer to help design, build, and secure next-... ...for a bachelor’s degree.Active TS/SCI security clearance with a current... ...Qualifications:Experience developing software in Linux or Solaris environments (6+ years...SeniorContract workShift work$154.05k - $278.48k
...talented team is at the forefront in Security Engineering, Computer Network Operations (CNO),... ...products.In-depth experience with Linux security as it relates to Oracle databases... ...as PL/SQL.Clearance Required: Must have TS/SCI with Polygraph.Preferred QualificationsExperience...SeniorFull timeImmediate startFlexible hours- ...An active Top Secret/SCI Clearance with a Full Scope Polygraph is required. This job is 100% onsite in Annapolis Junction, MD. We have an immediate need for a Full Stack... ...services Solr Comfortable working in a Linux environment Understanding, maintaining,...Full timeImmediate start
- ...Operations Manager in Jessup, MD, to lead execution and growth of advanced national-security programs for DoW and IC customers. Onsite role requiring TS/SCI with Polygraph clearance. Responsibilities include cost, schedule, technical performance, financial results, and...Senior
$146k - $234k
...highly motivated User Experience software engineer to support development and software... ...#MDFSPQualificationsBasic Qualifications: TS/SCI with Polygraph level clearance is requiredBA... ...candidate will need a strong background in Linux, CSS, JavaScript and HTML to be able to...SeniorContract workShift work$104k - $166k
...for national security. As a Cloud Software Engineer, you will design, develop, and maintain... ..., and sustainment.Operate and develop in Linux/UNIX environments, leveraging deep knowledge... ...QualificationsActive TS/SCI clearance with a current polygraphEducation...SeniorContract workFlexible hoursShift work- ...Systems Administrator to support DoD IT systems under a federal contract in Maryland. The role requires US citizenship, an active TS/SCI clearance with a polygraph, and at least 10 years of SA experience on comparable programs. Bachelor’s in a technical field or 14 years...SeniorContract work
$25k
...Job Description System Administrator - Linux/RedHat/Splunk - 15+ yrs of Experience - TS/SCI w/Poly Required Halogen Engineering Group is looking for a System Administrator... ...Required: No Shift: Day Remote Type: Onsite Call in Support: Yes Security...Contract workTemporary workRemote workShift work$95.9k - $178.1k
...ExemptShift: 1Clearance Prior to Start: TS/SCI w/Poly SPFinal Clearance: TS/SCI w/Poly SPPay... ...of operations. We are seeking a Network Engineer/System Administrator team member to join... ...managing and troubleshooting Windows and Linux operating systems.• Hands-on experience...SeniorFull timeTemporary workWork experience placementCasual workFlexible hours$116.35k - $210.33k
Senior Windows System Administrator; requires TS/SCI Polygraph up front.Leidos has a new and exciting opportunity for a... ...is at the forefront in Security Engineering, Computer Network Operations (CNO... ...VMware server hosts, Windows and Linux guest servers, and Virtual Desktop...SeniorFull timeImmediate startFlexible hours- ...Transform technology into opportunity as a Senior T est Engineer at GDIT. Shape what’s next for... ...Security Clearance Level: Active TS/SCI with CI Poly Experience: 5+ years of... ...in lieu of degree. Work Location: Onsite in Ft. Meade, MD. US Citizenship Required...Senior
$103.5k - $181.1k
...work with a small talented team of engineers that are focusing on building... ...-usersEscalate complex issues to senior staffSupport backup and recovery... ...experience in system administrationActive TS/SCI w/ PolyFamiliarity with Windows and/or Linux environmentsBasic understanding...Full timeFlexible hours$112k - $179k
...scale Hadoop and Accumulo clusters Perform Linux systems administration in a dynamic... ...requirements are met and maintained Participate in engineering discussions and continuous system... ...disciplines will be considered Active TS/SCI clearance with current Polygraph is required...Contract workShift work$156.73k - $169.59k
...Responsibilities for this Position Senior Principal Information Assurance Engineer (TS/SCI Clearance Required) ID: 2026-75212 US-MD-Annapolis Junction Required Clearance: TS/SCI Posted Date: 10/6/2026 Category: Information Technology Employment Type...SeniorFull timeWork experience placementRelocationRelocation packageFlexible hours$154.05k - $278.48k
...Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software,... ...procedural languages such as PL/SQL.Clearance Required: Must have TS/SCI with Polygraph on Day One (this is firm).Preferred Qualifications...SeniorFull timeImmediate startFlexible hours- ...operational use Collaborate with engineering, cybersecurity, endpoint... ...requirements: Systems Administrator (Senior)-Desktop Application... ...CE, etc.) Clearance: Active TS/SCI clearance with a favorable polygraph... ...travel as required US citizenship required Location: Onsite Gdit
$77.6k - $176k
Linux System Administrator, SeniorThe Opportunity:Install systems on... ...networking configuration, and DNSTS/SCI clearance with a polygraphHS... ...to classified information; TS/SCI clearance with polygraph is... ...from or visit a customer facility.Onsite: If this position is listed as...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$72.88k - $98.6k
...Possess: Top Secret SCI + Polygraph Clearance... ...~ Collaborate with engineering, cybersecurity, endpoint... ...Systems Administrator (Senior)-Desktop Application Packaging... ...) CLEARANCE: Active TS/SCI clearance with a... ...required LOCATION: Onsite GDIT IS YOUR PLACE...Full timeTemporary workPart timeImmediate startRemote workWorldwideFlexible hours$190k - $200k
...Clearance Requirement Active TS/SCI w/Polygraph REQUIRED. Please do not apply if you... ...network devices, etc. Configure and manage Linux, and possibly Windows operating systems,... ...on Confluence. Required Experience Senior level Linux Systems Administration...SeniorFull timeImmediate startRemote work$130k - $140k
Linux Systems AdministratorCOMSO, Inc. is a powerhouse when it comes to empowering federal government stakeholders to fulfill their mission... ...the Baltimore Sun Media Group.SECURITY CLEARANCE IS REQUIRED: TS/SCI w/ POLYGRAPH BEFORE CONSIDERATIONQualifications:Ten (10) years...Temporary workImmediate start
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