Senior Cybersecurity Engineer Hybrid, TS/SCI/Poly
MITRE
The MITRE Corporation in McLean, Virginia is seeking a Cyber Security Engineer to deliver solutions to complex challenges impacting U.S. Government's mission. In this hybrid role, you will provide hands-on engineering analysis across multiple areas including firewalls, networks, and data security. Ideal candidates will possess a Bachelor’s Degree in a technical field and have 8+ years of relevant experience. Strong communication skills and the ability to work on multi-disciplinary teams are essential. TS/SCI clearance is required. #J-18808-Ljbffr MITRE
$176k - $282k
...Information Systems Security Engineer - Subject Matter Expert (SME)... ...principal technical advisor on cybersecurity, bringing subject-matter... ...- Software EngineeringActive TS/SCI security clearance is required... ...Category: Information TechnologyClearance: Top Secret/SCI w/PolySeniorContract workTemporary workFor contractorsWork at officeShift work$89.6k - $204k
Cybersecurity Systems Engineer (Entry Level to SME) TS/SCI with Poly REQUIRED Position Description CGI Federal has an exciting... ...Systems Engineer supports senior staff in maintaining and securing... ...our Arlington office; however, a hybrid working model is acceptable....SuggestedWork at officeLocal area$160k - $190k
Senior Trellix Cybersecurity Engineer / RMF ISSO - TS/SCI Clearance: Active TS/SCI Clearance Required Citizenship: U.S. Citizen Required Experience: 11-13 years... ...Permanent Location: On-Site at Suffolk Building (no remote/hybrid option) Job Description ZTI is seeking a Senior...SeniorPermanent employmentFull timeContract workWork at officeImmediate startRemote work- ...preferred to be based in Chantilly, VA, with hybrid options in Reston or Arlington, VA. You... .... The candidate must possess an active TS/SCI clearance with poly, US citizenship, and a strong background in systems engineering, architecture, and proposal development....Senior
- A cybersecurity solutions firm in Virginia is seeking a Senior Trellix Cybersecurity Engineer with extensive experience in cybersecurity engineering to support AI/ML development... ...in Computer Science or related field, TS/SCI clearance, and strong skills in deploying...SeniorFull time
$150k - $250k
...technical expertise to develop actionable intelligence and requires a strong record in SATCOM hardware systems. Candidates must hold a TS/SCI clearance with Polygraph and have a minimum of 10 years' relevant experience. The position offers a salary range of $150,000 to $25...Senior$131k - $271.6k
...best-in-breed technologies engineered by SAP to protect the lives,... ...a U.S. Citizen with active TS/SCI with Poly; NS2 does not offer Visa sponsorships... ...to transfer . The NS2 Senior Cloud Engineer/Systems... ...: Regular Full Time | Additional Locations: #LI-Hybrid...SeniorPermanent employmentFull timeWorldwideFlexible hours- ...Job Description Job Description Job Description: Senior Principal Cyber Systems Engineer (DevOps Engineer)The selected candidate will integrate... ...(vanilla or managed) to OCP.Only Candidates with a TS/SCI CI Poly Clearance will be consideredJob Duties include:• Development...Senior
- ...DESCRIPTION We are seeking a hands-on Systems Engineer (SME) with deep expertise across... ...platforms (AWS, Azure, and/or GCP) Hybrid and on-prem infrastructure design and... ...solutions Requirements *Eligible TS/SCI w/ FS Poly QUALIFICATION Bachelor’s Degree...
- ...translating complex government requirements into compelling technical solutions. The position supports a hybrid work model in the DC metro area and requires an active TS/SCI clearance with polygraph eligibility. Responsibilities include leading technical solution...Senior
- ...security clearance at the TS/SCI level.We are seeking a Senior PostgreSQL Engineer to support the... ...willing to obtain a CI Poly.14+ years of relevant professional... ...PostgreSQL in cloud, hybrid, containerized, or... ...STIGs, or other federal cybersecurity compliance frameworks....SeniorFull time
$86k - $138k
Responsibilities Peraton is seeking an experienced Senior Test Engineer to lead the design, implementation, and... ...Top Secret security clearance with SCI eligibility, and ability to obtain a... ...ID: 2026-169079Position Category: Quality AssuranceClearance: Top Secret/SCI w/PolySeniorContract workShift work$116.35k - $210.33k
Leidos is seeking an experienced Civil Engineer to support critical national security missions... ...exceptional attention to detail. As a senior member of an interdisciplinary team of government... ...must possess an active and in-scope TS/SCI polygraph clearance and the ability to...SeniorFull timeFor contractors$89.6k - $204k
Systems Engineer (Entry Level to SME) TS/SCI with Poly REQUIRED Position Description CGI Federal has an exciting... ...our Arlington office; however, a hybrid working model is acceptable.... ...technical issues, or escalate them to senior engineers. • Documentation: Create...Work at officeLocal area$154.05k - $278.48k
The Leidos Intel Sector has an opening for an Senior Electrical Engineering SME in Reston, Virginia. The successful candidate will work as a member... ..., and Experience: Must possess an active and in-scope TS/SCI polygraph clearance for consideration. Must be a US Citizen...SeniorFull timeFor contractorsLocal area$131.3k - $237.35k
The Leidos Analysis Solutions business area is seeking a Senior Nuclear Engineer to support critical national security missions in Reston, Virginia... ...for consideration must possess an in-scope and active TS/SCI Polygraph clearance and the ability/willingness to maintain...SeniorFull timeFor contractors$89.6k - $204k
Cybersecurity Officer (Entry to Senior Level) TS/SCI with Poly REQUIRED Position Description CGI Federal has an exciting... ...Arlington office; however, a hybrid working model is acceptable.... ...• Malware Analysis & Reverse Engineering: Intercept, deconstruct, and analyze...SeniorWork at officeLocal area- We are seeking a hands‑on Systems Engineer (SME) with deep expertise across infrastructure... ...platforms (AWS, Azure, and/or GCP) Hybrid and on‑prem infrastructure design and integration... ...and migration plans Eligible TS/SCI with FS Poly Desired Knowledge/Skills...
$150k - $250k
Software Systems Engineer - TS/SCI w/ FS Poly 3 days ago Be among the first 25 applicants Get AI-powered... ...secure cloud environments, including hybrid environments, in a repeatable and... ...growth and advancement and much more! Seniority level Associate Employment type Full...Full time- ...Statement At Aperio Global, we bring together experts in cybersecurity, AI, data analytics, and cloud technologies to solve... ...people because great missions require great teams. Senior Geospatial Data Engineer TS/SCI with Polygraph Required McLean VA At Aperio Global , we...Contract workTemporary workLocal area
- GCI, Inc. seeks a Systems Engineer SME (TS/SCI with Poly Required) to support high-security IT infrastructure onsite in McLean, VA. The role requires strong expertise across Windows, Linux, UNIX, and cloud environments, with the ability to manage multi-system integrations...Senior
- ...technical analysis and coordinate engineering recommendations to adapt... ...baselines while collaborating with cybersecurity and engineering teams to... ...CE (within 6 months) ~ TS/SCI Clearance Knowledge... ...Abilities: ~ Ability to obtain CI Poly Clearance ~ Ability to help...SeniorContract workWork at officeWork from homeHome officeFlexible hoursShift work
$89.6k - $204k
Infrastructure Service Lead (Senior to SME) TS/SCI with Poly REQUIRED Position Description CGI Federal... .... This senior role oversees hybrid-cloud infrastructure, high-stakes system... ...Technical Leadership: Mentor junior engineers, coordinate cross-functional teams,...SeniorWork at officeLocal area- ...are seeking a highly skilled Senior DevOps Engineers with deep expertise in... ...passionate about automation, cybersecurity, and architecting secure, scalable... ...security clearance up to TS/SCI. US citizenship is required... ...across multi-cloud and hybrid environments, including EKS...SeniorTemporary work
$151.8k - $187.5k
...Senior Cyber Engineer Trusted Connectivity for AI-Powered Dominance.... ...authority in high-assurance cybersecurity, enabling secure collaboration... ...option. We're hiring for a hybrid role. You'll work on-site... ...Knowledge and Skills: Active TS/SCI clearance with CI Polygraph...SeniorPermanent employmentFull timeFor contractorsWork at officeLocal areaRemote workMonday to FridayFlexible hours$89.6k - $204k
Virtualization Engineer (Entry Level to SME) TS/SCI with Poly REQUIRED Position Description CGI Federal has an... ...infrastructures. They assist senior engineers by building virtual environments... ...our Arlington office; however, a hybrid working model is acceptable....Work at officeLocal area- ...industry-recognized and award-winning cybersecurity services firm focused on high-profile,... ...We are seeking an Elasticsearch Engineer (TS/SCI Clearance)with expertise in designing,... ...based solutions across cloud, on-prem and hybrid infrastructures to enable security operations...
$120k - $165k
...Pentagon) Clearance Required: TS/SCI minimum (US Citizen)... ...delivering advanced analytic, data engineering, and technology integration... ...Engineering (OUSW(R&E)). This senior-level role is responsible... ...science, Information Technology, cybersecurity, or a related science or...Full timeWork at office$89.6k - $194k
Python Developer, Senior TS/SCI with Poly REQUIRED Position Description CGI Federal has an exciting... ...solutions. Works with the system engineers and developers to ensure information... ...our Arlington, VA office; however, a hybrid working model is acceptable. Your future...SeniorWork at officeLocal area$53k - $270k
A veteran-owned IT services firm in McLean, Virginia, is seeking candidates with expertise in Big Data and a TS/SCI w/ Poly clearance. The role involves providing technical insights across software development phases and offers a salary range of $53,000 to $270,000 based...Senior
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