Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Software Engineer - TS/SCI w/ Poly | Scalable Apps

legato

Legato, LLC in Columbia, MD seeks a Senior Software Engineer to design, develop, maintain, and enhance complex software systems across diverse environments. You will contribute to scalable solutions, advanced algorithms, API integration, and performance optimization.

The role requires leadership across software teams, deep technical collaboration, and the ability to troubleshoot challenging issues throughout the full development lifecycle. A TS/SCI clearance with polygraph is required.

#J-18808-Ljbffr
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Senior Software Engineer - TS/SCI w/ Poly | Scalable Apps in Maryland vacancy
  • $146k - $234k

     ...requirements to inform software design, performance...  ...systems and hardware engineers) to align software solutions...  ...efficient and scalable solutionsSupport testing...  ...Qualifications:Active TS/SCI security clearance with...  ...Information TechnologyClearance: Top Secret/SCI w/Poly
    Application
    Senior
    Contract work
    Shift work

    Peraton

    Annapolis Junction, MD
    3 days ago
  • $146k - $234k

     ...seeking a highly motivated User Experience software engineer to support development and software...  ...#MDFSPQualificationsBasic Qualifications: TS/SCI with Polygraph level clearance is...  ...2026-163166Position Category: Information TechnologyClearance: Top Secret/SCI w/Poly
    Application
    Senior
    Contract work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    4 days ago
  • $125.1k - $225.2k

     ..., Microsoft Azure)Develop and optimize engineering workflows and processes to support AI model...  ...system performance, security, and scalability of AI infrastructureContinuously research...  ...Required Skills You'll Bring:Active TS/SCI w/polygraphBachelor's degree in a relevant... 
    Application
    Senior
    Flexible hours

    ClearanceJobs

    Baltimore, MD
    2 days ago
  • $135k - $216k

     ...highly motivated and skilled Software Engineer to design, develop, and...  ...the architecture, ensuring scalability, security, and performance.Develop...  ...a bachelor’s degree.Active TS/SCI security clearance with a current...  ...: Information TechnologyClearance: Top Secret/SCI w/Poly
    Application
    Contract work
    Temporary work
    Work experience placement
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    1 day ago
  • $135k - $216k

     ...Cloud Software Engineer - TS/SCI w/Poly Job Locations: US-MD-Laurel Requisition ID: 2025-162223 Position Category: Engineering Clearance...  ...environment Build and optimize high-performance, scalable systems deployed across large compute clusters Test,... 
    Application
    Remote work
    Shift work

    Peraton

    Laurel, MD
    2 days ago
  • $148.3k - $266.9k

     ...you an experienced cloud engineer/software developer who thrives in a...  ...enterprise-scale service. As a Senior Cloud Engineer / Software...  ...). Develop robust and scalable APIs and microservices to...  ...of experience Active TS/SCI clearance w/Poly Advanced proficiency in... 
    Application
    Senior
    Full time
    Flexible hours

    Parsons

    Maryland
    5 days ago
  • $176k - $282k

     ...Software EngineerThe Team is seeking a Software Engineer to support a complex, mission-critical environment focused on developing...  ...to improve performance and scalability of software solutionsServe as...  ...for a bachelor's degree.Active TS/SCI security clearance with a current... 
    Application
    Senior
    Contract work
    Shift work

    Peraton

    Laurel, MD
    5 days ago
  • $150k - $200k

     ...Senior Software Engineer TS/SCI w/PolyAmentum is seeking an experienced senior developer to create custom analytics to perform at scale. The software engineer will work closely with data scientists and end users to develop innovative analytic tools to further discovery... 
    Senior
    Hourly pay
    Contract work

    Amentum

    Maryland
    3 days ago
  • $176k - $282k

    ResponsibilitiesPeraton is seeking a Senior Software Engineer in Annapolis Junction, MD.This team supports...  ...for the Bachelor’s degree.Active TS/SCI clearance with polygraph is required.Demonstrated...  ...026-171088Position Category: Information TechnologyClearance: Top Secret/SCI w/Poly
    Application
    Senior
    Contract work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    4 days ago
  • $176k - $282k

    Responsibilities Senior Software Engineer - Cyber IntelligenceLocation: Annapolis...  ..., MDClearance Required: TS/SCI with PolygraphJoin the...  ...Developing and maintaining complex, scalable software systems for...  ...Category: Information TechnologyClearance: Top Secret/SCI w/Poly
    Contract work
    Shift work

    Peraton

    Annapolis Junction, MD
    3 days ago
  •  ...Software Engineer Level 2, Clearance Required – TS/SCI w/Polygraph Please note, this position requires all candidates to currently possess an active Top-Secret...  ...: This position requires an in-scope poly (within 7 years). The MT&E team is sourcing for... 
    Application
    Remote work

    SSATI

    Maryland
    2 days ago
  • $125.1k - $225.2k

     ...for an amazingly talented AI Engineer to join our team! Ready for...  ...Cybersecurity? Are you an experienced software professional who thrives in...  ...capability, efficiency, or scalability. Collaborate closely with...  ...of experience Active TS/SCI w/Poly Ability to manage... 
    Application
    Flexible hours

    Parsons Company

    Baltimore, MD
    2 days ago
  •  ...AI Engineer III - Active TS/SCI w/poly clearance ~ Annapolis Junction, Maryland CyberTrend’s leadership...  ...IT, architectural, system, and software engineering personnel. Requires TS/...  ...AI/ML Engineer designs and creates scalable solutions for optimal performance. The... 
    Application
    Full time
    For contractors
    Local area

    CyberTrend Engineering LLC

    Maryland
    3 days ago
  • $72.7k - $149.2k

    Job Title: Software Engineer 1 (TS/SCI w/Poly)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * *CACI has an immediate opportunity... 
    Application
    Contract work
    Work experience placement
    Local area
    Immediate start
    Flexible hours

    CACI International

    Columbia, MD
    4 days ago
  • $150k - $200k

     ...Amentum is seeking a motivated Senior AI Engineer with a proven track record in software engineering and deep understanding...  ...profiling, optimization, and scalability analysis of mission systems....  ...Security Clearance Required: TS/SCI Poly Minimum Years of Experience:... 
    Senior
    Hourly pay
    Contract work
    Local area

    Aimlroles

    Rockville, MD
    4 days ago
  • $148.3k - $266.9k

     ...an amazingly talented Cloud Engineer to join our team! What You'll...  ..., repeatable, and efficient software delivery.Implement...  ...Improve system reliability, scalability, performance, and cost efficiency...  ...lieu of degree is acceptable)TS/SCI w/ Poly is requiredProfessional experience... 
    Application
    Full time
    Flexible hours

    Parsons

    Annapolis Junction, MD
    1 day ago
  • $146k - $234k

     ...knowledgeable and customer-oriented Software Application Support Systems Engineer to join our team. In this role you...  ...QualificationsBasic QualificationsActive TS/SCI clearance with current polygraph...  ...6954Position Category: Information TechnologyClearance: Top Secret/SCI w/Poly
    Application
    Contract work
    Temporary work
    Shift work

    Peraton

    Annapolis Junction, MD
    3 days ago
  • $176k - $282k

     ...world safe and secure.ResponsibilitiesThe team is seeking a Software Engineer to devise strategies to extract meaning and value from...  ...queries for existing or proposed databases or data repositoriesA TS/SCI w/Poly is required.Must be willing to obtain one of the following... 
    Application
    Contract work
    Temporary work
    Flexible hours
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    2 days ago
  • $141k - $163k

     ...Systems Administrator SA1 | TS/SCI w/MD poly required ~ Hanover, MD...  .../loads operating system software, troubleshoots, maintains integrity...  ...-ready cybersecurity, engineering, and AI-enhanced software...  ...support. We deliver secure, scalable solutions designed to meet... 
    Application
    Immediate start

    Power3 Solutions

    Hanover, MD
    2 days ago
  •  ...Sr Software Engineer L3 - TS/SCI Poly RequiredAnnapolis Junction, MD Top Secret/SCI Polygraph Mid Level Career (5+ yrs experience) Salary not specifiedJoin...  ...team members to develop and maintain reliable, scalable software solutions.Support containerized applications and... 
    Application
    Senior

    ClearanceJobs

    Annapolis Junction, MD
    1 day ago
  • $104k - $166k

    Responsibilities The team is seeking a Software Engineer to design, implement, test,...  ...secure, reliable, and scalable software solutions....  ...developing software in JavaActive TS/SCI security clearance with a...  ...8Position Category: EngineeringClearance: Top Secret/SCI w/Poly
    Application
    Contract work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    4 days ago
  • $176k - $282k

     ...-DDS team is looking for a Senior Data Flow Engineer to join our team. They would...  ...using the NiagaraFiles software application. Evaluate data...  ...#AJCM#PeratonRoyalMove#MDFSPQualificationsBasic Qualifications:Active TS/SCI security clearance with a...  ...: Information TechnologyClearance: Top Secret/SCI w/Poly
    Application
    Senior
    Contract work
    Shift work

    Peraton

    Annapolis Junction, MD
    3 days ago
  •  ...Shield Consulting Solutions, Inc. in Annapolis Junction, MD seeks a Java Software Engineer with active TS/SCI w/Polygraph clearance. This is a full-time on-site role in the Annapolis area. You will support the Data Team, work with Java-based tools, and integrate them... 
    Senior
    Full time

    Shield Consulting Solutions

    Maryland
    7 hours ago
  •  ...J&T Business Consulting seeks a Cloud Software Engineer 3 to design and implement large-scale cloud data systems for a federal program. You...  ...system design from high level to components. Requires active TS/SCI with polygraph and on-site work in Annapolis, MD. #J-18808-... 
    Senior

    J&T Business Consulting

    Maryland
    2 days ago
  • $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 switches... 
    Application
    Senior
    Contract work
    Temporary work
    Remote work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    2 days ago
  • $288k

     ...Senior Level CareerAnnapolis Junction, MD Intel Agency...  ...an active Top Secret/SCI w/ Full Scope Polygraph...  ..., and maintain robust software applications while...  ...availabilityCollaborate across engineering disciplines to...  ...to design efficient, scalable solutions and optimize... 
    Application
    Senior

    ClearanceJobs

    Annapolis Junction, MD
    2 days ago
  • $200k - $255k

     ...Principal Software Engineer – Advanced Analytics Team Purpose and impact: Amentum seeks a...  ...and translate conceptual designs into scalable software architectures. Minimum Requirements...  .... Security Clearance TS/SCI Poly required. Minimum Years of... 
    Application

    Amentum

    Maryland
    5 days ago
  • $135k - $216k

     ...enterprise service delivering software security solutions...  ...technologies to enable security, scalable, and resilient operations. The engineer will work within a...  ...’s degree.Active TS/SCI with polygraph is required...  ...Information TechnologyClearance: Top Secret/SCI w/Poly
    Contract work
    Temporary work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    1 day ago
  • $104k - $166k

     ...Cloud Software EngineerPeraton is a next-generation national security...  ...About The RoleCloud Software Engineer Location: Annapolis Junction,...  ...Clearance Required: Active TS/SCI with Current PolygraphWhat You...  ...to deliver secure, scalable, and reliable solutions. This... 
    Application
    Contract work
    Temporary work
    For contractors
    Remote work
    Shift work

    ClearanceJobs

    Annapolis Junction, MD
    2 days ago
  • $176k - $282k

     ...currently seeking a Systems Engineer who can support the services...  ...Engineering efforts is required.Active TS/SCI clearance with current...  ...Diagrams depicting software and system functions.Excellent...  ...Category: Information TechnologyClearance: Top Secret/SCI w/Poly
    Application
    Senior
    Contract work
    Temporary work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Software Engineer - TS/SCI w/ Poly | Scalable Apps. Be the first to apply!