Software Developer SME (Systems Software) (TS/SCI with Poly Required)
GCI
Software Developer SME (Systems Software) (TS/SCI with Poly Required)
GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.
At GCI, we solve the hard problems. As a SME Software Developer, a typical day will include the following duties/skills:
Required Skills:
- Demonstrated experience developing modern web applications using JavaScript/TypeScript frameworks (Angular, React, or Vue).
- Demonstrated experience with Node.js web frameworks (such as Express, Koa or Hapi) and API development.
- Demonstrated experience with HTML5, CSS3, modern JavaScript (ES6+), and TypeScript.
- 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 (to include 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.
- Demonstrating 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
Qualifications
Education
Preferred
BA/BS or better.
Experience
Required
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.
- ...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...SuggestedWork experience placement
- ...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-...SuggestedPermanent employment
- ...Description Senior Software Developer Tysons, Virginia • Government/Military... ...premise at Government facility Requires TS/SCI, Full Scope Poly (must have already and be current,... ...The Contractor shall work closely with the Sponsor's product owner and program...SuggestedFull timeFor contractorsImmediate startRemote work
- ...VECTOR JOB OPENING Job ID: 626 Job Title: Elasticsearch Systems Engineer Clearance Required: Must have an active TS/SCI with CI Poly for this job. Department: Software Engineering Location: Reston, VA 100% onsite- schedule can be 40 hours a week - we...SuggestedPermanent employment
- ...Job ID: 627 Job Title: Software Engineer Clearance Required: Must have an active TS/SCI with CI Poly for this job. Department... ...opportunity to build strong systems, software, and cloud environments... ..., and Angular. Developing and directing software system...SuggestedPermanent employment
- ...meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering... ...reliable partnerships with our customers and industry... ...Analyst/Software Developer, a typical day will include... ...requires an active/current TS/SCI with Polygraph...
- ...work for the public interest, with no commercial conflicts to... ...Summary: Do you want to develop software systems that contribute to solving... ...-priority ODNI initiatives requiring secure, scalable, and... ...This role requires an active TS//SCI with a Full Scope Polygraph...Work experience placementInternshipLocal areaImmediate start
- ...As a Software Development Engineer with a focus on Identity and Access... ...in system development to include... ...maintenance. Design, develop, build, and test... ...customer requirements, specifications,... ...experience. Active TS/SCI clearance and... ...and maintain a CI poly. Must meet...Full timeTemporary workRelocation package
- ...Engineer Clearance Required: Must have an active TS/SCI with CI Poly for this job. Department: Software Engineering Location... ...a DevOps Engineer (SME) to provide mission critical system support to our customer... ...to maintain, develop and support IC enterprise...Permanent employmentWork experience placement
- Job Title Location McLean, VA, 22101, United States Required Degree 4 Year Degree Minimum Experience 10 Years Description Requirements Additional Information U.S. Citizenship Required U.S. Security Clearance Level Top Secret / SCI / Full Scope Poly
- ...Job ID: 628 Job Title: Full Stack Developer Clearance Required: Must have an active TS/SCI with CI Poly for this job. Department: Software Engineering Location: Reston, VA... ...Stack developer experience with strong systems, software, cloud, and Agile...Permanent employment
$104.04k - $183.6k
Software Engineer (SME) - TS/SCI with Polygraph Required Job Locations US-VA-McLean Job ID 2025-13219 # of Openings 1 Category Intelligence... ...that could be used to train Sponsor-owned AI/ML systems and models. The Contractor Team shall provide Model...Full timeContract workFor contractorsLocal area$104.04k - $183.6k
...Data Scientist (SME) - TS/SCI with Polygraph Required Job Locations US-VA... ...Utilize project management systems such as a Content Management... ...Sponsor. Use the full software lifecycle to create data... ...or dashboard. Develop robust data engineering pipelines...Full timeContract workFor contractorsLocal area$120k - $150k
...Team CATHEXIS operates with an all-in mindset. We... ...Engineer with an active TS/SCI CI Poly or higher to join our... ...with data scientists, software engineers, and subject... ...or equivalent fields required. MS or PhD in... .... Real passion for developing team-oriented solutions...Temporary workWork experience placement$191.25k - $258.75k
...capabilities provide the client with the necessary timeliness,... ...Manages high-availability systems Manages Tier 2 support for... ...Engineering, Data Science) Required Experience: 10+ yrs of directly... ...Security Clearance Level: TS/SCI with active polygraph Location...Work experience placement$191.25k - $258.75k
...capabilities provide the client with the necessary timeliness,... ...Manages high-availability systems Manages Tier 2 support for... ...Engineering, Data Science) Required Experience: 10+ yrs of directly... ...Security Clearance Level: TS/SCI with active polygraph Location...Temporary workWork experience placementImmediate startRemote workWorldwideFlexible hours$190k - $235k
...Fully On-site in Boyers, PA :: TS-SCI w/ CI poly REQUIRED (DO NOT APPLY UNLESS YOU HAVE THIS) :: Relocation... ...while ensuring compliance with federal security and communications protection... ...classified workloads, ensuring continuous system availability and compliance with...Local areaRelocation package- ...collaboration worldwide. You’ll work with leading companies across... ...Value Propositions: Develop and progress innovative solutions... ...opportunities for collaboration. Required technical and professional... ...have the ability to maintain TS/SCI/CI Poly clearance Preferred...Worldwide
- ...professional career with Solerity. As a... ...Solerity is seeking a Software Engineer to... ...based data processing systems, analytics... ...Include: Develop algorithms, schemas... ...lifecycle, including requirements gathering, design,... ...field. Active TS/SCI clearance with Polygraph...Full timeTemporary workFor contractorsLocal areaRemote workFlexible hours
- ...Data Scientist (TS/SCI with Poly Required) GCI embodies excellence, integrity and professionalism. The employees supporting our customers... ...critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis,...
$182.75k - $247.25k
...Top Secret SCI + Polygraph... ...Trust/Other Required: None... ...Network Engineer (SME) is... ...capacity planning, systems configuration... ...and software. Candidates... ...independently with little supervision... ...application developers to solve complex... ...~ TS/SCI with Poly clearance...Temporary workLocal areaImmediate startRemote workWorldwideFlexible hours$83.93k - $113.55k
...Top Secret SCI + Polygraph... ...Public Trust/Other Required: None Job... ...Job Family: Software Engineering... ...Full Stack Java Developer at GDIT. Here,... ...of our clients. With a career in application... ...enterprise system support.... ...Clearance Level: TS/SCI with Polygraph...Temporary workImmediate startRemote workWorldwideFlexible hours- ...Description Web Developer Chantilly,... ...facility TS/SCI, Full Scope Poly (must already have... ...General Work Requirements and Environment... ...interface directly with the Sponsor's PM... ...or other similar software products 6. Demonstrated... ...work tracking system Desired...Full timeFor contractorsImmediate start
- ...Access Management (ICAM) systems. In this role, you... ...varied data ecosystems. Requirements Experience... ...security controls aligned with ICAM requirements... ...environments Active TS/SCI clearance; willingness... ...Access Management (ICAM), Software Development, Cyber and...Temporary workRelocation package
$165k - $230k
...Senior Virtualization Engineer (TS/SCI with FS Poly) Location: Reston / McLean, VA (Onsite at... ...Range: $165,000 – $230,000 Clearance Required: TS/SCI with Full Scope Polygraph (... ...VMware technologies and a background in systems or network engineering within...Full timeTemporary workImmediate start- ...Description The Sponsor requires Data Engineering... ...collaboratively with data consumers,... ...operational systems such as ServiceNow... ...organizational needs; develop technical... ...partner with analysts, software developers, and... ...Active TS/SCI w/ FS poly required prior to...Contract workFor contractorsLocal area
$115.44k - $162.29k
...Ours is a small company culture with big company reach and results.... ...enablement of resources Required Qualifications: ~3+ years... ...Computer Science, Information Systems, Systems Engineering, or... ...the DC Metro area ~ Active TS/SCI clearance required Experience...Local areaImmediate startFlexible hours- ...critical mission requirements in the areas of Data Analytics and Software Development, Engineering... ...partnerships with our customers and... ...networks and be able to develop and maintain... ...technical tools and systems used for data... ...an active/current TS/SCI with Polygraph clearance...
- ...ata Analyst Senior – TS/SCI with CI Polygraph Xcelerate... ...mission-critical system support to our Intelligence... .... Our customer requires support to evaluate adherence... ...text comments. Develop and present survey findings... ...in survey tools and software (e.g., LimeSurvey)...
- ...functionality, ensuring successful software development, analysis, or... ..., and working closely with customers. This role requires a combination of technical... ..., and alerting to ensure system reliability and... ...GCP). · Ability to obtain TS/SCI clearance · Knowledge of DoD...Temporary workWork experience placementRemote work
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!
- software engineer full time McLean, VA
- facebook software engineer McLean, VA
- startup software engineer McLean, VA
- software developer McLean, VA
- software development engineer aws McLean, VA
- ngo software engineer McLean, VA
- part time software developer McLean, VA
- software engineer McLean, VA
- senior software engineer McLean, VA
- cybersecurity software engineer McLean, VA


