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

Software Developer SME (Systems Software) (TS/SCI with Poly Required)

$164.38k - $274.52k

GCI

Software Developer SME (Systems Software) (TS/SCI with Poly Required) Job Category : Software Engineering Requisition Number : SOFTW002132 Full-Time On-site Salary Range: $164,382.40 USD to $274,518.40 USD Responsibilities As a SME Software Developer, a typical day will include the following duties/skills. Required Skills Demonstrated experience with Node.js web frameworks (such as Express, Koa or Hapi) and API development. Demonstrated experience with CSS preprocessors (such as Sass). Demonstrated experience designing and implementing RESTful APIs and microservices. Demonstrated experience with a working knowledge of SQL databases including schema design, query optimization, and performance tuning. Demonstrated experience with PostgreSQL and MySQL in production environments. Demonstrated experience with ORMs (such as Prisma, Sequelize, or similar). Demonstrated experience with containerization technologies (such as Docker or Podman). Demonstrated experience with AWS cloud services and cloud-native development patterns. Demonstrated experience with and strong understanding of web application security best practices and usability principles. Demonstrated experience with Git version control and collaborative development workflows. Demonstrated experience with strong problem-solving skills including debugging, testing, and troubleshooting complex web applications. Demonstrated experience implementing and managing CI/CD pipelines with Jenkins. Demonstrated experience with Infrastructure as Code tools; Terraform and CloudFormation. Demonstrated experience with AWS services (including EC2, S3, RDS, Lambda, VPC, IAM, and CloudWatch). Demonstrated experience with containerization such as Docker and Podman. Demonstrated experience with strong scripting proficiency: Bash and Python. Demonstrated experience with database self-hosting including installation, configuration, backup/recovery, high availability, and performance tuning using PostgreSQL and MySQL. Demonstrated experience with monitoring, logging, and alerting systems; Prometheus/Alertmanager and CloudWatch. Demonstrated experience integrating and deploying diverse software systems: AWS cloud services, open-source applications, COTS/GOTS products, and custom applications. Demonstrated experience with networking, security, IAM policies, and AWS architecture best practices. Demonstrated experience with Git-based workflows, branching strategies, and version control best practices. Desired Skills Demonstrated experience with ElasticSearch query language. Demonstrated experience with Infrastructure as Code concepts (Terraform or CloudFormation). Demonstrated experience with contributions to technical documentation, architecture diagrams, or knowledge bases. Demonstrated experience with monitoring and observability tools. Demonstrated experience with geospatial libraries and visualization (leaflet.js). Demonstrated experience migrating or modernizing legacy applications. Demonstrated experience with a working knowledge of CI/CD pipelines (Jenkins preferred) and deployment automation. Demonstrated experience integrating with data lake/lakehouse architectures or data-intensive applications. Demonstrated experience integrating customer's Enterprise services. Demonstrated experience with JEE applications and containers. Demonstrated experience with PKI. Demonstrated experience with excellent written and verbal communication skills with both technical and non-technical audiences. Demonstrated experience deploying and managing data platform components: Apache Spark, Trino, Apache Ranger, Apache Iceberg, Apache Superset, or data catalogs. Demonstrated experience with data lakehouse architectures and supporting infrastructure. Demonstrated experience with secrets management solutions such as AWS Secrets Manager or Parameter Store. Demonstrated experience with disaster recovery, backup strategies, and continuity planning. Demonstrated experience or familiarity with API gateways and modern microservices patterns. Demonstrated experience with cost optimization practices in AWS. Demonstrated experience or background deploying and supporting AI/ML workloads or model serving infrastructure. Demonstrated experience mentoring team members on DevOps and cloud best practices. Demonstrated experience with NoSQL databases such as DynamoDB or MongoDB, etc. Demonstrated experience with additional monitoring tools such as Grafana or ELK stack. Demonstrated experience integrating customer's Enterprise services. Demonstrated experience with excellent written and verbal communication skills with both technical and non-technical audiences. A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance. Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans. Preferred Qualifications BA/BS or better. Experience 10 years: Demonstrated work related experience. Equal Opportunity Employer. This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor. #J-18808-Ljbffr GCI

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Software Developer SME (Systems Software) (TS/SCI with Poly Required) in Mc Lean, VA vacancy
  •  ...meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering...  ...reliable partnerships with our customers and...  ...the hard problems. As a SME Software Developer, a typical day will include...  ...an active/current TS/SCI with Polygraph clearance... 
    Suggested

    GCI

    Sterling, VA
    3 days ago
  • $164.38k - $274.52k

     ...Full Stack Java Developer SME (TS/SCI with Poly Required) Job Category: Software Engineering Requisition Number: SOFTW002124 Posted: June 2, 2026 Full-Time...  ...software development team to provide enterprise system support. Successful candidate will be expected to... 
    Suggested
    Full time

    GCI

    Sterling, VA
    4 days ago
  •  ...Operational Engineer SME Joint Base...  ...VA Active TS/SCI with Poly Clearance required @Orchard is retained...  ...environments. Defines, develops, and delivers...  ...deploys, and maintains AI systems Optimizes Al...  ...architect and design AI software systems Minimum... 
    Suggested

    Orchard , CO

    Arlington, VA
    3 days ago
  •  ...Systems Engineer SME (TS/SCI with Poly Required) GCI embodies excellence, integrity and professionalism. The employees...  ...the areas of Data Analytics and Software Development, Engineering,...  ...debugging skills; can collaborate with developers/DevOps to reproduce issues and... 
    Suggested
    Work experience placement

    GCI

    McLean, VA
    4 days ago
  •  ...We are seeking a hands-on Systems Engineer (SME) with deep expertise across...  ...environments. This role requires a proven practitioner who...  ...APIs, and middleware  Software development lifecycle (SDLC...  ...Requirements *Eligible TS/SCI w/ FS Poly QUALIFICATION  Bachelor... 
    Suggested

    Leading Path Consulting LLC

    McLean, VA
    2 days ago
  • $164.38k - $274.52k

    GCI, located in McLean, Virginia, is seeking a Software Developer SME (Systems Software) with a current TS/SCI with Polygraph clearance. The role demands extensive experience in software development, particularly in designing secure and scalable applications utilizing AWS... 
    Full time

    GCI

    Mc Lean, VA
    3 days ago
  • Required Qualifications Bachelor’s degree and 12 years of...  ...of information security systems and products. Minimum of...  ...citizenship required. Active TS/SCI security clearance is required with the ability to obtain a...  ...- Subject Matter Expert (SME)/Cloud-based to support... 
    For contractors
    Work at office

    Peraton

    Washington DC
    4 days ago
  •  ...Subject Matter Expert (IT SME) – TS/SCI CI Poly Department:...  ...TS/SCI CLEARANCE WITH CI POLY REQUIRED TO BE CONSIDERED FOR...  ...across the portfolio of systems. This position is...  ..., and visualizing software architecture,...  ...applications and services, develop transition plans,... 

    Tenica and Associates LLC

    Bethesda, MD
    18 days ago
  •  ...Description AWS DevOps Engineer / Developer - Active TS/SCI Full Scope Poly Clearance Required/Must Have: Active TS/SCI Full...  ...Insurance benefits, a 401(k) with company match, and a generous...  ...Demonstrated experience with geospatial software and programming packages and... 
    Full time

    Cyrten

    Reston, VA
    14 days ago
  • $150k - $250k

     ...Software Systems Engineer - TS/SCI w/ FS Poly 3 days ago Be among the first 25 applicants...  ...skills and experience — talk with your recruiter to learn...  ...Systems Engineer will develop, build, deploy, manage,...  ...to meet new or evolving requirements Manage day to day operations... 
    Full time

    Leading Path Consulting LLC

    McLean, VA
    3 days ago
  • $67.5 - $97.5 per hour

     ...TS SCI W/ CI Poly Cleared Software/DevOps Engineer Our client, a leader in the HCM...  ...Engineer for a 1-2 year contract with a chance of extension....  ...deploy applications. Required Skills: ~5+ years of...  ...~ Experience designing, developing and implementing solutions... 
    Hourly pay
    Contract work
    Work at office

    ClearBridge Technology Group

    Reston, VA
    1 day ago
  •  ...mission-critical systems and analysis...  ...Matter Expert (SME) to support the...  ...Responsibilities include developing Python or FME-...  ...developers with complex spatial...  .... Required Skills: ~5+ years...  ...audiences. ~ Active TS/SCI and ability to...  .../maintain CI Poly. Desired... 
    Temporary work
    Work at office
    Local area
    Immediate start

    Vibrint

    Springfield, VA
    5 days ago
  •  ...deep technical expertise with automation skills,...  ...of delivery pipelines, system stability, and operational...  ...excellence. This role requires a TS-SCI w/ CI Poly and is on-site in Reston...  ...service delivery across the software development lifecycle. Develop and manage automated... 
    Contract work

    Rapid Strategy

    Reston, VA
    3 days ago
  • Enterprise Systems Engineer SME - TS/SCI w/ CI Poly Enterprise System Engineer SME - TS/SCI with CI Poly Xcelerate Solutions is seeking an...  ...Polygraph Responsibilities Develop an IT enterprise...  ...clearance with CI Polygraph Requires BS and 12 - 15 years of prior... 

    Xcelerate Solutions

    Bethesda, MD
    4 days ago
  •  ...Cloud Engineer Clearance Required: Must have an active TS/SCI with CI Poly for this job. Department: Software Engineering Location:...  ...seeking a Solutions Architect/Systems Engineer to provide...  ...architectures. This role designs, develops, and implements a Cloud-... 
    Permanent employment

    Vector Talent Resources

    McLean, VA
    3 days ago
  •  ...ServiceNow (SNOW) Test Engineer – TS/SCI CI Poly Department:...  ...ACTIVE TS/SCI CLEARANCE WITH CI POLY REQUIRED TO BE CONSIDERED FOR THIS...  ...validating mission-critical systems, developing automated tests, and ensuring...  ..., and tracking software defects. Strong interpersonal... 
    For contractors

    Tenica and Associates LLC

    Bethesda, MD
    6 days ago
  • GRVTY is looking for a Full Stack Developer with TS/SCI + Poly clearance in McLean, VA. This role involves providing onsite full‑stack development support for a data repository and visualization platform. Candidates must have 8+ years of experience, strong JavaScript and... 

    GRVTY

    Mc Lean, VA
    3 days ago
  •  ...Active DoD Top Secret TS/SCI w/CI Poly Clearance We...  ...for a Sr. Systems Engineer experienced...  ...containerized solutions with orchestrated...  ...the-Shelf (COTS) software and targets cloud...  ...to recruit and develop top talent and solutions...  ...and functional requirements Create and... 
    Permanent employment
    Full time

    Calibrate North LLC

    Sterling, VA
    15 hours ago
  • $87.1k - $157.45k

     ...Business Area at Leidos is seeking Software Developers at multiple experience levels to support...  ...is onsite in Reston, VA and requires an active TS/SCI with Polygraph for consideration....  ...degree in Computer Science, Information Systems, Systems Engineering, or related field... 
    For contractors
    Local area
    Immediate start

    Leidos

    West Mclean, VA
    14 hours ago
  • $114.11k - $203.11k

     ...Government Consulting is seeking an Expert Systems Engineer in McLean, Virginia. This...  ...an Intelligence Community customer with cloud application development. Candidates...  ..., web servers, AWS management, and require an active TS/SCI security clearance. The target salary... 
    Full time

    LMI Government Consulting

    Mc Lean, VA
    3 days ago
  •  ...meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering...  ...reliable partnerships with our customers and industry...  ...experience designing, developing, querying, and...  ...requires an active/current TS/SCI with Polygraph clearance... 
    Remote work

    GCI

    Sterling, VA
    1 day ago
  •  ...Principal Cyber Systems Engineer (DevOps...  ...integrate a variety of software components in a...  ...working with cross functional...  ...Candidates with a TS/SCI CI Poly Clearance will be...  ...key features for developer use o Help write...  ...Artifactory, etc...) Required • A Bachelor's... 

    SHLD, Inc.

    Herndon, VA
    13 days ago
  • $150k - $200k

     ...DevOps Software Engineer Millennial...  ...: Top Secret SCI + CI Polygraph...  ...working closely with a talented...  ...engineering skills. Develop innovative...  ...code Required Qualifications...  ...Citizen ~ Active TS/SCI with CI Poly ~ Bachelor's...  ...~ Linux system administration... 

    Millennial Software

    Fairfax, VA
    21 days ago
  •  ...Job Description Active TS/SCI w/ FS Poly required Introduction The Sponsor...  ...architecture team that will assist with the research, design,...  ...and maintenance of complex systems that span all network...  ...optimize cloud costs to include developing cost models for IC and DoW... 
    For contractors

    Leading Path Consulting

    Reston, VA
    23 days ago
  •  ...Satcom Software Systems Specialist, TS/SCI and Poly Arlington, VA As a Satcom software...  ...detail, and curiosity to develop actionable intelligence...  ...and leverage experience with the RF intelligence and...  ...and present briefings on requirements, capabilities, and project... 
    Work experience placement

    Blue Sky Innovators Inc

    Arlington, VA
    4 days ago
  •  ...Systems Engineer/Developer (TS/SCI with Poly Required) GCI embodies excellence, integrity, and professionalism. The employees supporting our customers deliver...  ...requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis,... 

    GCI

    McLean, VA
    5 days ago
  • $131k - $271.6k

     ...NS2 Cloud Engineer/Systems Administrator - Active TS SCI – poly preferred - Chantilly...  ...for business software and related services...  ...offering SAP solutions with specialized levels...  ...support to meet the requirements of U.S. national...  ...operational costs ~ Develop and Support... 
    Permanent employment
    Full time
    Worldwide
    Flexible hours

    SAP

    Herndon, VA
    13 days ago
  •  ...SHLD, Inc. is seeking a Software Engineer IV to join our innovative...  ...role involves collaborating with a cross-functional Agile...  ...Team to build and maintain systems operating in a containerized...  ...Shell Scripting. An active TS/SCI with CI Poly clearance is mandatory for this... 

    SHLD, LLC

    Herndon, VA
    3 days ago
  •  ...Systems Engineer, TS/SCI with Full Scope Poly Security Clearance Required, Washington, DC We are seeking a Systems Engineer with...  ...activities for commercial and custom-developed education, learning, and...  ...has experience working on a software development team with diverse... 

    NextStep

    Washington DC
    2 days ago
  •  ...provider is seeking a Software Engineer IV to join...  ...Herndon, VA. The role requires significant experience...  ...and Python, along with SQL and shell scripting...  ...environment. An active TS/SCI with CI Poly clearance is a must....  ...and maintaining systems in a containerized environment... 

    EmergencyMD

    Herndon, VA
    3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Software Developer SME (Systems Software) (TS/SCI with Poly Required). Be the first to apply!