Mid-Level Linux Systems Engineer
ManTech International
ManTech International seeks a Linux Systems Engineer to support critical national security missions. In this role, you will design, configure, secure, and maintain Red Hat/Enterprise Linux environments in classified and enterprise settings. Responsibilities include automation with scripting tools, patching and hardening, system monitoring, troubleshooting, and documentation. You will collaborate with cyber, data, and mission-support teams, implement DoD security controls, and support accreditation. ManTech offers robust training, technical growth, and a mission-driven, veteran-friendly culture.
$176k - $282k
Responsibilities The Mid-Level Systems Engineer - Splunk Administrator supports a critical cyber mission by administering, modernizing, and securing enterprise Splunk infrastructure and cybersecurity toolsets. The role combines hands-on Splunk engineering with cyber...SuggestedContract workFor contractorsShift work$105.26k - $197.2k
...Summary As a System Engineer you will apply your expertise to develop and improve systems and... ...efficiency of the systems they manage. MID-CAREER SYSTEMS ENGINEERS Mid-career... ...offers are based on candidates education level and years of experience relevant to the...SuggestedFull timeTrial periodMonday to FridayFlexible hours$150.4k - $190.3k
...Description ELEVI is looking to add a Systems Engineer to our team. You must be willing to work... ...without Degree. ELEVI is seeking a Linux Systems Administrator (in an SE4 LCAT) to... ...poly and/or currently possess the minimum level of PRIVAC required for this role (NSYS)....SuggestedContract workWork experience placementLocal area$105k - $200k
...Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a Mid-Level System Engineer to join our intel team. The Multi-Factor Authentication Management System (MFAMS) is seeking a System engineer to work...SuggestedFull timeContract workWork experience placementWork at officeFlexible hours- ...Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a Mid-Level System Engineer to join our intel team. This candidate will Apply systems engineering principles throughout the systems life cycle phases:...SuggestedContract workTemporary workWork experience placementFlexible hours
$105k - $200k
...6! Belay Technologies is seeking a System Engineer (AI) to join our intel team. We have an... ...Perform hands-on technical execution, low-level requirements definition, and functional... ...career development. Salary Range Mid-Level: $105,000 to $200,000 Senior Level...Contract workWork experience placementImmediate startFlexible hours$130k - $165k
...Job Description Job Description Job Description Systems Engineer (Mid-Level) Columbia, MD | Full Time | TS/SCI with Polygraph Required Position: Systems Engineer (Mid-Level) Location: Columbia, MD (on-site) Category: Systems Engineering Clearance Requirement...Full timeFor contractorsLocal area$114k - $190k
...1! Belay Technologies is seeking a System Admin to join our intel team. The selected... ...systems. The role supports system engineering requests by delivering solutions that meet... ...must be within last 6 years ~ Preferred Level: Mid or Senior ~ Clearance Requirement: FS...Full timeContract workWork experience placementFlexible hours- ...Input Technology Solutions is seeking a Mid-Level Systems Engineer to provide general systems engineering (SE) support to a rapidly growing software development effort. What you will do Provide SE support in requirements elicitation, decomposition, documentation...
$110k - $130k
...Job Description Job Description Job Title Mid‑Level Systems Integration Engineer (Linux, Unix, C) Why IDS? IDS believes in resolving conflict, building innovative approaches to do so. Combining operational expertise with an intimate understanding of today’s greatest...Local areaFlexible hoursShift work$131k - $140k
...Description Job Description Responsibilities : Applies systems engineering principles throughout the systems life cycle phases: Concept,... ...’s requirements, concept of operations documents, and high-level system architectures to develop system requirements...Contract workWork experience placement- ...Job Description We are seeking a Mid-Level Software Developer to join a collaborative engineering team supporting mission-critical... ...software engineers and system administrators to build new capabilities... ..., and testing. Maintain Linux development and production environments...Full time
- ...apply if you do not currently possess this level of clearance. ---------- Telework:... ...Cert ~20 years experience as a system engineer ~ Bachelor’s degree in a technical discipline... ...Job Description: Strong and deep Linux & Unix System Engineering skills in both...16 hoursFull timeImmediate startRemote work
- ...apply if you do not currently possess this level of clearance. ---------- Telework:... ...: ~20 years experience as a system engineer ~ Bachelor’s degree in a technical discipline... ...: Configure, manage and troubleshoot Linux operating systems. Installs/loads operating...Full timeImmediate startRemote work
- ...019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Mid-Level System Engineer (SE) to join our intel team. The SE will require a good background in Linux engineering/administration, as well as troubleshooting. The SE will need to have the...
$199k - $235k
...CLEARANCE AT THE TS/SCI POLYGRAPH LEVEL IS REQUIRED We have an immediate need for a Software Engineer specializing in privileged... ...Delinea Tools Suite in a Linux environment. In this mission-critical... ...Secrets Vault). Linux Systems Administration: Strong background...Hourly payContract workWork experience placementImmediate startFlexible hours$110.3k - $204.9k
...0.00 - $204,900.00Experience Level: Experienced ProfessionalFT/PT... ...Martin, Rotary Mission Systems Cyber & Intelligence invites... ...at bay.THE WORKAs a Software Engineer - Mid Level you will be responsible... ...complexity.• Proficiency working in Linux development environments •...Full timeTemporary workWork experience placementCasual workFlexible hours$115k - $190k
...with Polygraph security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance.*** Are you a Mid-Level Systems Engineer who is ready for a new challenge that will launch your career to the next level? Tired of being treated...Full timeContract workRemote workWork from homeRelocation package$116.35k - $210.33k
Linux Systems Administrators / Engineers are needed across several Leidos prime programs in our Intelligence Sector’s Cyber & Analytics Business Area (... ...Intelligence Community environments. Multiple experience levels are available.Required SkillsLinux systems...Full timeImmediate startRelocation packageFlexible hours- ...Job Title: Mid-Level Backend Software Engineer-TS/SCI Location: Gaithersburg, MD Type: Contract To Hire... ...application functionality and system integrations Apply object-oriented... ...and troubleshoot applications within Linux-based environments Implement backend...Contract workTemporary workLocal area
$92.3k - $166.85k
Mid/Sr System Administrator Leidos has a new and exciting opportunity for... ...at the forefront in Security Engineering, Computer Network Operations... ...hands-on experience supporting Linux and Microsoft-based servers... ...Leidos pay range for this job level is a general guideline only...Full timeLocal areaImmediate startFlexible hours$69.4k - $158k
SATCOM Cyber Systems Security Engineer, MidThe Opportunity: Are you seeking an opportunity to enhance... ...ll closely impact a national security level communications system that provides vital... ...to manage users in Windows and Linux and administer VMs in VMware or Hyper‑...Full timeContract workPart timeLocal areaRemote work- ...please apply today!ProSync is seeking a System Engineer with strong experience in system administration... ...hands‑on administration of Windows and Linux systems, support for networking devices,... ...you need to propel you to the next level.Work/Life Balance:A healthy work/life...Contract workFlexible hours
$70k - $190k
...Belay Technologies is seeking a Mid-Level Software Engineer to join our intel team. The Software Engineer... ...enhances complex and diverse software systems (e.g., processing-intensive analytics,... ...Maven build tools. Familiar with Linux environments Skilled at building robust...Full timeContract workWork experience placementFlexible hours- ...Job Description Job Description Job Description Vetegrity is looking for a Fully cleared System Engineer at the Mid-Level. A TS/SCI w FS Poly is required for this position. More details on requirements are listed below. Required Education: A High School...Temporary workLocal area
$70k - $190k
...Belay Technologies is seeking a Mid-Level Software Engineer to join our intel team. The JBlocks team... ...activities to ensure the highest level of system performance and availability and compliance with business requirements. Linux experience Use of Gitlab, CI/CD, build...Full timeContract workWork experience placementFlexible hours- ...What You Will Do: At Independent Software, as a System Engineer Level 6, you will provide senior-level systems engineering support for the... ...mission requirements. In this role, you will work across Linux and Windows environments, networking, virtualization, communications...Work at office
- ...What You Will Do: At Independent Software, as a System Engineer Level 3, you will support the administration, automation, performance, and... ...client/server environments. You will work across Windows and Linux systems, networking, security compliance, and enterprise services...Full time
- ...What You Will Do: At Independent Software, as a Systems Engineer Level 5, you will support the design, integration, deployment, and sustainment... .... Perform system and network administration across Linux and Windows environments. Integrate, configure, deploy, and...Full timeWork at office
$131.8k - $290k
Job Title: Systems Engineer Skill Level 6Job Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * *The Opportunity:CACI is seeking...Contract workFor contractorsWork experience placementFlexible hours
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