Principal Identity Solutions Engineer TS/SCI Polygraph
$131.3k - $237.35kLeidos
Leidos has a new and exciting opportunity for a Principal Identity Solutions Engineer in our INTEL SECTOR- Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.*You must have an active TS/SCI Polygraph* No exceptions, unfortunately.At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! The Principal Identity Solutions Engineeris responsible for leading the design, implementation, and sustainment of enterprise Identity, Credential, and Access Management (ICAM) solutions focused on Secure Token Services (STS) and Single Sign-On (SSO) capabilities. This role leads a multidisciplinary team of developers, system integrators, and system administrators to architect, deploy, and maintain commercial off-the-shelf (COTS) identity management solutions across enterprise environments. The ideal candidate possesses deep technical expertise in federation technologies, PKI, authentication protocols, cloud environments, and enterprise security architectures while serving as the technical lead for planning, implementation, and customer engagement.Desired SkillsLead the architecture, implementation, and sustainment of enterprise Secure Token Service (STS) and Single Sign-On (SSO) solutions.Manage and mentor a team of developers, system integrators, and system administrators, including onboarding, training, and technical oversight.Gather customer requirements, develop implementation strategies, and estimate work efforts for new capabilities and enhancements.Install, configure, integrate, and maintain COTS identity management platforms across Linux, Windows, and cloud environments.Design and support federation solutions utilizing SAML, OAuth, OpenID Connect (OIDC), PKI/TLS, and modern authentication technologies.Develop automation solutions and integrate modern and legacy technologies to improve operational efficiency while maintaining technical documentation in Confluence.Troubleshoot complex authentication, networking, and identity management issues while ensuring adherence to software development lifecycle (SDLC) and change management processes.Required QualificationsActive TS/SCI clearance with polygraph.Bachelor's Degree or higher in computer engineering or in a field related to computer engineering or computer science disciplines.Minimum 15 years of Systems Engineering or related technical experience supporting enterprise IT environments.At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.Original Posting:July 20, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $131,300.00 - $237,350.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.SummaryLocation: Hanover, MDType: Full time
$154.05k - $278.48k
Leidos has a new and exciting opportunity for a Principal Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business... ...the lifecycle. This role requires an active/current TS/SCI Polygraph up front.Key ResponsibilitiesArchitectural Analysis & Design...PrincipalFull timeLocal areaImmediate startFlexible hours$131.3k - $237.35k
Leidos has a new and exciting opportunity for a Sr. Solution Train Engineer in our Intel Sector's Cyber & Analytics Business Area (CABA)... ...detail and task completion.Clearance Required: Must have TS/SCI with Polygraph.Preferred QualificationsPrior experience as a Solution...SuggestedFull timeFor contractorsWork experience placementImmediate startFlexible hours- ...This position requires an active TS/SCI clearance with Polygraph. Please do not apply if you do not... ...have such a clearance. Principal Software Engineer 20+ Years of Experience Bachelors... ...in providing tailored technology solutions. Our leadership team, with backgrounds...Principal
$131.3k - $237.35k
...exciting opportunity for a Software Engineer in our National Security Sector's (NSS... ...and valid valuesA database solution for storing specificationsRESTful services... ...guidanceRequired QualificationsActive TS/SCI clearance with Polygraph up front (no sponsorship available)...SuggestedFull timeImmediate startFlexible hours$25k
...Software Engineer \- Offensive\/Defensive Cyber Operations \- 7+ yrs of Experience \- TS\/SCI w\/Poly Required \\\ \... ...Current TS\/SCI \ \\\ Polygraph: \ \ \ Required (Poly must... ...including pregnancy and gender identity), national origin, political...SuggestedFull timeContract workTemporary workWork experience placementRemote workShift work$150k - $200k
...life: We are seeking a Software Engineer to develop, sustain, and troubleshoot... ...teams to deliver scalable, secure solutions and integrate with COTS, GOTS, and... ...System ~ An active US Government TS/SCI security clearance with polygraph Bonus Skills: Experience...Full timeSummer holidayImmediate start- ...Maryland Category: Systems Engineer Level - All Levels... ...Remote Type: No Clearance: TS/SCI w/ Polygraph **Position is contingent... ...organizations to ensure solutions satisfy the requirements. Define... ...sexual orientation, gender identity, gender expression,...Contract workTemporary workWork experience placementImmediate startRemote work
$119k - $198.4k
We are seeking a Software Engineer III to design, build, and maintain secure, scalable... ...to accelerate delivery and enhance solutions. Work you'll do As a Software... ...Compartmented Information (TS/SCI) clearance with polygraph ~ Ability to travel 10-25%, on average...Worldwide$119k - $198.4k
Join Deloitte's AI & Engineering team to help transform technology platforms, accelerate... ...will help build secure, scalable solutions that improve process engineering... ...Compartmented Information (TS/SCI) clearance with polygraph ~ Ability to travel 10-25%, on...Local areaFlexible hoursShift work$116.35k - $210.33k
Leidos is seeking a Sr. Release Train Engineer (RTE) to support a high-performing agile program leveraging the Scaled Agile Framework... ...and stakeholder groups.Clearance Required: Must have TS/SCI with Polygraph.Preferred QualificationsCertifications such as Certified Scrum...Full timeFor contractorsWork at office$119k - $198.4k
Our AI & Engineering team helps organizations transform technology platforms, accelerate innovation, and solve complex business and... ...4+ years of experience in security operations ~ Active TS/SCI with polygraph clearance ~ Ability to travel 10-25%, on average, based...Local areaWorldwideFlexible hours- ...DevOps Engineer – TS/SCI with Full Scope Polygraph Location: Annapolis Junction, MD Work Arrangement: Primarily Onsite; up to one remote day per week depending on tasking Clearance Required: Active TS/SCI with Full Scope Polygraph Excellent opportunity for...Remote work1 day per week
- ...Description Discovery & Solutioning: Lead discovery with mission... ...plans, prototypes, and engineering backlogs. • Architecture &... ...Active Top Secret clearance with SCI eligibility/access required,... ...and willingness to obtain a CI polygraph as required. • Bachelor's degree...PrincipalFull timeInterim role
$139.1k - $251.45k
Leidos has a new and exciting opportunity for a Sr. Manual Test Engineer in our Intel Sector's Cyber & Analytics Business Area (CABA... ..., reporting, and audits.Clearance Required: Must have TS/SCI with Polygraph.Preferred Qualifications:Experience with Behavior Driven Development...Full timeImmediate startFlexible hours$85k - $115k
...to Obtain: Top Secret SCI + Polygraph Public Trust/Other... ...Job Family: Software Engineering Skills: Agile Methodology... ...requires an active TS/SCI with Polygraph.... ...value most. Our Identity Verification Process:... ...that delivers technology solutions and mission services...Temporary workFor contractorsImmediate startWorldwideFlexible hours$50k - $120k
...are seeking a Full Stack Software Engineer to join a talented team providing... ...Have's: ~ Active or reinstatable TS/SCI security clearance with Polygraph. ~ U.S. Citizenship. ~ Bachelor... ...race, color, religion, gender, gender identity and expression, national origin,...Remote jobFull timeContract workWork from homeRelocation package$10k
...requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position. Required: Must be... ...domestic partner status, sexual orientation, gender, gender identity, gender expression and transgender status, mental...PrincipalContract workTemporary workImmediate start- ...An active Top Secret/SCI Clearance with a Full Scope Polygraph is required. This job is onsite in Annapolis... ...for an Artificial Intelligence (AI) Engineer who will work closely with system... ...position focused on building solutions that augment human intelligence, streamline...Full timeImmediate startRemote work2 days per week1 day per week
$150k - $250k
...Description Software Engineer Location: Columbia, MD... ...Security Clearance: Active TS/SCI with Full Scope Polygraph Required Salary Range:... ...developing scalable software solutions, implementing high-... ...sexual orientation, gender identity, gender expression, genetic...Full time$146k - $234k
ResponsibilitiesPeraton is seeking a Senior Systems Engineer to support a large analytic cloud... ...:Data management and delivery solutions such as dataflow management,... ...complexity is required Active TS/SCI security clearance with a current polygraph is required Demonstrated...Contract workShift work$131.3k - $237.35k
Leidos has a new and exciting opportunity for Software Engineers (hiring junior level, mid-level, up to senior level) in our Intelligence... ...in a fast-moving environment.Clearance Required: Must have TS/SCI with Polygraph on Day One.Preferred QualificationsExperience with the...Full timeImmediate startFlexible hours- ...looking for a highly skilled Sr. Splunk Engineer to join our cybersecurity team. The... ...we’re looking forCurrently holds a TS/SCI with CI polygraph.Security Certification (i.e, Security+... ...environments.Strong understanding of identity, SIEM, cybersecurity, and infrastructure...Full timeWork experience placementLocal areaRemote workWork from home
- ...An active Top Secret/SCI Clearance with a Full Scope Polygraph is required. This job is onsite in Annapolis Junction, MD with up to one remote day... ...on tasking. We have an immediate need for a DevOps Engineer to focus on DevOps engineering of a modernization effort...Full timeImmediate startRemote work1 day per week
- ...An active Top Secret/SCI Clearance with a Full Scope Polygraph is required. This is a hybrid schedule with... ...for an Artificial Intelligence (AI) Engineer to support the development and... ...The AI Engineer will build agentic solutions, systems of coordinated AI agents...Full timeImmediate startRemote work2 days per week3 days per week
$148.3k - $266.9k
...advanced capabilities with other senior engineers to meet complex and evolving mission... ...identify new approaches, and prototype novel solutions.Troubleshooting and debugging at the... ...Required Skills You'll Bring:Active TS/SCI with Polygraph (current and in-scope).Bachelor’s...PrincipalFull timeFlexible hours- ...Description Description: TS/SCI Clearance Required... ...this highly motivated engineering team uses Agile (Scrum... ..., implementing new solutions, and providing recommendations... ...(CI) Polygraph Benefits Offered:... ..., sex, gender, gender identity, sexual orientation, age...Work experience placementRemote workWork from home
$190k - $280k
...Principal Software Engineer Opportunity ***An active or rein-statable TS/SCI with Polygraph security clearance is REQUIRED. Please do not apply... ...Enterprise and Cyber Security solution spaces. We excel at... ...sexual orientation, gender identity, national origin, age, protected...PrincipalFull timeContract workRemote workWork from homeRelocation package$92.3k - $166.85k
...team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission... ...Train Engineers on implementing solutions.Help team members communicate,... ...skills.Clearance Required: Must have TS/SCI with Polygraph.Preferred QualificationsExperience working...Full timeWork experience placementImmediate startFlexible hours$146k - $234k
...seeking a highly motivated User Experience software engineer to support development and software solutions to support data tracking and metrics solutions.... ....#MDFSPQualificationsBasic Qualifications: TS/SCI with Polygraph level clearance is requiredBA/BS and 20 years of...Contract workShift work$131.3k - $237.35k
...team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission... ...Assist in the evaluation of security solutions to ensure they meet security... ...experience may be substituted for a degree.TS/SCI with polygraph security clearance.Must have at least...Full timeImmediate startFlexible hours
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