HQ: Reston, United States • Recruiting & Staffing • National Security • 51-200 employees • Est. 2000 • Hiring 69, 2 new
Acclaim Technical Services (ATS) is an employee-owned American government contractor headquartered in Reston, Virginia, providing cyber operations, intelligence, language, network infrastructure, engineering and enterprise IT services to the defense and intelligence communities. Founded in 2000 and owned through an employee stock ownership plan, it supports a range of US federal agencies with staff concentrated around Chantilly, Annapolis Junction, McLean and Bethesda. Its openings include AI and machine learning engineers, data scientists, full stack and software developers, system integrators and administrators, infrastructure engineers and UI and UX designers.
No named decision-maker yet.
Careers mailbox is known
≈ $171k – $319k per year (Estimated) • Equity • Senior • 5+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
Node JS
Python
JavaScript
Databases
ElasticSearch
DevOps
GitLab CI
Prometheus
GitHub Actions
Grafana
Jenkins
Rest API
Docker
Linux
Kubernetes
CI/CD
AWS
Management
Agile
+8
≈ $166k – $309k per year (Estimated) • Equity • Senior • 5+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
C++
JavaScript
Python
Python
Flask
Django
Databases
Oracle
DevOps
Git
Analytics
ETL/ELT
Management
Agile
+1
$200k – $220k per year • Equity • Staff+ • 10+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Staff
Node JS
Python
JavaScript
Databases
MongoDB
RabbitMQ
ElasticSearch
DevOps
CloudFormation
Configuration Management
Prometheus
Grafana
Ansible
Jenkins
Rest API
Docker
Linux
Kubernetes
AWS
Analytics
Apache NiFi
Management
Agile
+11
HQ: McLean, United States • Space & Aerospace • Homeland Security • National Security • 1001-5000 employees • Est. 1958 • Hiring 284, 146 new
MITRE is an American not for profit corporation that operates federally funded research and development centres for United States government agencies. Its artificial intelligence work spans model assurance, adversarial machine learning and the widely used ATLAS knowledge base of attacks against machine learning systems. The organisation advises defence, aviation, health and cybersecurity agencies and deliberately holds no commercial products of its own; its centres also maintain the ATT&CK framework that security teams everywhere rely on.
No named decision-maker yet.
Careers mailbox is known
$173k – $217k per year • Lead • 10+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Citizenship or vetting required • Principal
JavaScript
SQL
Python
Databases
PostgreSQL
Apache Kafka
AI/ML
OpenAI Codex
ChatGPT
AI Agents
Frontend
React.js
DevOps
Splunk
Ansible
Terraform
Rest API
Docker
Linux
Kubernetes
Azure
CI/CD
AWS
AWS CDK
Cybersecurity
NIST 800-53
NIST 800-171
Analytics
ETL/ELT
Management
Agile
Defense
AFSIM
+17
$157k – $196k per year • Lead • 8+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Staff
JavaScript
SQL
Python
Databases
PostgreSQL
Apache Kafka
AI/ML
OpenAI Codex
ChatGPT
AI Agents
Frontend
React.js
DevOps
Splunk
Ansible
Terraform
Rest API
Docker
Linux
Kubernetes
Azure
CI/CD
AWS
AWS CDK
Cybersecurity
NIST 800-53
NIST 800-171
Analytics
ETL/ELT
Management
Agile
Defense
AFSIM
+17
HQ: Columbus, United States • Research Institutes • 1001-5000 employees • Est. 1929 • Hiring 130, 35 new
Battelle Memorial Institute is a nonprofit applied science and technology organisation. It conducts contract research in health, energy, national security and environmental fields. The institute also manages several national laboratories on behalf of the federal government.
No named decision-maker yet.
No careers mailbox known
$135k – $175k per year • Senior • 5+ years exp • Hybrid (Chantilly, United States) • Bachelor's Degree • Full-Time • Top Secret • Senior
Rust
C++
Java
Python
MATLAB
MATLAB
Simulink
AI/ML
Machine Learning
DevOps
Linux
Git
Docker
Kubernetes
Chips/EDA
Ansys RedHawk
Management
Agile
+5
HQ: Pendleton, United States • Business Process Outsourcing (BPO) • IT Consulting & Digital Transformation • Est. 2006 • Hiring 88, 12 new
Cayuse Holdings is a tribally owned family of companies headquartered near Pendleton, Oregon, providing technology, professional, research and operations support services to federal agencies, state and local governments, commercial clients and tribal organisations. Founded in 2006 and owned by the Confederated Tribes of the Umatilla Indian Reservation, it has offices in Arlington, Huntsville and Honolulu and staff on contracts across the United States and overseas. Its openings include cloud and AI engineers, business and research analysts, program managers, security operations specialists, study coordinators, ophthalmology technicians and administrative support.
No named decision-maker yet.
Careers mailbox is known
≈ $175k – $327k per year (Estimated) • Staff+ • 10+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Top Secret • Staff
Java
TypeScript
JavaScript
Java
Spring Boot
Databases
PostgreSQL
AI/ML
Claude
Frontend
Angular
DevOps
AWS
Docker
CI/CD
Management
Scrum
Agile
+4
HQ: Falls Church, United States • Facilities Management • IT Consulting & Digital Transformation • Intelligence • 1001-5000 employees • Est. 2007 • Hiring 150, 4 new
Markon Solutions is a government services contractor headquartered in Falls Church, Virginia, supporting the intelligence community, defense agencies and federal civilian customers with cyber, digital transformation, engineering and facilities management work. A repeated Washington Post Top Workplace, it staffs programs at Fort Meade, Annapolis Junction, Chantilly, McLean and Herndon, and supports naval nuclear work in West Mifflin and Niskayuna. Hiring covers software developers, systems and network engineers, data scientists, target analysts, civil, structural and electrical engineers, facility managers, space auditors and accountants.
No named decision-maker yet.
No careers mailbox known
$150k – $180k per year • Senior • 5+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
C#
JavaScript
TypeScript
Java
Java
Spring Boot
Frontend
Angular
DevOps
Jenkins
GitHub
Docker
Kubernetes
CI/CD
AWS
Management
Confluence
Scrum
Agile
+7
$170k – $220k per year • Senior • 11+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
Java
TypeScript
JavaScript
Frontend
Angular
DevOps
SOAP
Jenkins
Terraform
Rest API
Git
Linux
CI/CD
AWS
Management
Scrum
Agile
+6
$150k – $200k per year • Senior • 7+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
Java
TypeScript
JavaScript
Frontend
Angular
DevOps
Puppet
SOAP
Jenkins
Terraform
Rest API
Git
Linux
CI/CD
AWS
Analytics
ETL/ELT
Management
Scrum
Agile
+8
HQ: Reston, United States • IT Infrastructure & Networking Services • Military Logistics • Translation Services • Intelligence • 1001-5000 employees • Est. 1989 • Trust C • Hiring 219, 1 new
SOS International, known as SOSi, is a privately held American government services company founded in 1989 that began by supplying linguists and interpreters to the United States military. It has since broadened into intelligence analysis, logistics and base operations support, information technology and network engineering, and cybersecurity, working for defence, intelligence and federal civilian customers both in the United States and in deployed locations. Headquartered in Reston, Virginia and still family owned, it employs several thousand people, a large share of them holding security clearances.
No named decision-maker yet.
No careers mailbox known
≈ $119k – $221k per year (Estimated) • Senior • 7+ years exp • In office (Chantilly, United States) • Full-Time • Senior • English
≈ $119k – $221k per year (Estimated) • Senior • 15+ years exp • In office (Chantilly, United States) • Full-Time • Senior • English
≈ $145k – $270k per year (Estimated) • Staff+ • 20+ years exp • In office (Chantilly, United States) • Full-Time • Architect • English
McLean • Springfield • Saint Louis • Reston • Herndon • Intelligence • IT Consulting & Digital Transformation • 201-500 employees • Hiring 54, 1 new
Bcore is an American defense and intelligence contractor delivering enterprise IT, cloud, DevSecOps, systems engineering, software development and intelligence analysis to national security customers. Organised into Insight Solutions, Labs and Mission Services divisions, it staffs programs in Northern Virginia, including Herndon, Chantilly, McLean and Springfield, and in Saint Louis, Missouri, where many roles require TS/SCI clearance. Openings include ServiceNow, cloud, HPC and DevSecOps engineers, systems administrators, cyber security systems engineers, software and Python developers, UI and UX designers, technical writers and project managers.
No named decision-maker yet.
No careers mailbox known
$190k – $230k per year • Senior • 6+ years exp • In office (Chantilly, United States) • TS/SCI • Senior
Java
TypeScript
JavaScript
Java
Spring Boot
Databases
PostgreSQL
AI/ML
LLM
Frontend
Angular
DevOps
Amazon EC2
IAM
Jenkins
Git
AWS
Management
Jira
Scrum
Agile
+7
$175k – $195k per year • Staff+ • 11+ years exp • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Principal
TypeScript
JavaScript
Ruby
Ruby
Ruby on Rails
DevOps
AWS
Management
Agile
Saint Louis • Charleston • San Antonio • Norfolk • Travis Air Force Base • Management Consulting • 201-500 employees • Trust D • Hiring 30, 2 new
Trinity Global Consulting, known as TriGloCon, is a consulting and contracting firm that supports government clients with contract management and technical services. Its postings include contract managers, software integration engineers, transportation management leads and clerks at locations such as Chantilly and San Antonio. The company is based in the United States.
No named decision-maker yet.
Careers mailbox is known
≈ $133k – $247k per year (Estimated) • Senior • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Senior
SOAP
Ansible
Rest API
Docker
Linux
Kubernetes
CI/CD
Cybersecurity
LDAP
PKI
Management
Scrum
Agile
+3
≈ $123k – $265k per year (Estimated) • In office (Chantilly, United States) • Full-Time • TS/SCI
GitLab
Ansible
Linux
Cybersecurity
PKI
HQ: Herndon, United States • IT Consulting & Digital Transformation • Information Security • National Security • 1001-5000 employees • Est. 1968 • Trust A • Hiring 454, 86 new
ManTech is a Virginia company founded in 1968 that provides technology services to United States defence and intelligence agencies. Its work covers cybersecurity, data analytics, cloud and mission systems engineering. The company employs thousands of cleared technologists.
No named decision-maker yet.
Careers mailbox is known
$115k – $190k per year • Senior • 7+ years exp • In office (Chantilly, United States) • High School Diploma • TS/SCI • Senior
JavaScript
SQL
TypeScript
Java
Java
Spring Framework
Hibernate
Databases
ElasticSearch
Frontend
Angular
DevOps
Git
+1
HQ: Houston, United States • Space Services • Military Logistics • Engineering Services • 5000+ employees • Est. 1998 • Trust B • Hiring 1464, 60 new
KBR is an engineering, science and technology company headquartered in Houston, Texas, delivering government services, defense and space mission support, process technology licensing and engineering for energy, chemicals and infrastructure projects. Listed on the New York Stock Exchange, it works across the United States, the United Kingdom, Australia and the Middle East, and in September 2025 announced the spin-off of its Mission Technology Solutions business into a separate public company. It hires process, piping, instrumentation, structural and HSE engineers, project and construction managers, logistics and commercial specialists, and finance, tax and IT staff.
No named decision-maker yet.
No careers mailbox known
$150k – $187k per year • Staff+ • 9+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Staff
$94k – $115k per year • Junior • 10+ years exp • In office (Chantilly, Columbia, King of Prussia, San Antonio, El Segundo, United States) • Relocation • Bachelor's Degree • Full-Time • TS/SCI • Junior
$156k – $215k per year • Senior • 10+ years exp • In office (Chantilly, United States) • Relocation • High School Diploma • Full-Time • TS/SCI • Senior
C++
JavaScript
Python
Databases
MySQL
PostgreSQL
AI/ML
Machine Learning
Frontend
React.js
DevOps
Configuration Management
Bitbucket
Git
Docker
Kubernetes
Azure
CI/CD
AWS
Cybersecurity
Fortify
Management
Confluence
Jira
Agile
+11
HQ: Chantilly, United States • Est. 2019 • Hiring 13
MILLENNIAL SOFTWARE. From research and development to solution innovation, we're always looking for passionate problem-solvers who are driven by curiosity.
No named decision-maker yet.
Careers mailbox is known
$65k – $116k per year • Junior • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • Junior
Go
Node JS
C#
TypeScript
JavaScript
Python
Databases
RabbitMQ
Apache Kafka
AI/ML
Machine Learning
Frontend
Vue.js
GraphQL
Angular
React.js
DevOps
Helm
Rest API
Docker
GCP
Kubernetes
Azure
CI/CD
AWS
+13
$95k – $180k per year • Junior • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI • Junior
Go
Node JS
C#
TypeScript
JavaScript
Python
Databases
RabbitMQ
Apache Kafka
AI/ML
Machine Learning
Frontend
Vue.js
GraphQL
Angular
React.js
DevOps
Helm
Rest API
Docker
GCP
Kubernetes
Azure
CI/CD
AWS
+13
$180k – $270k per year • Senior • In office (Chantilly, United States) • Bachelor's Degree • TS/SCI • Senior
Go
Node JS
C#
TypeScript
JavaScript
Python
Databases
RabbitMQ
Apache Kafka
AI/ML
Machine Learning
Frontend
Vue.js
GraphQL
Angular
React.js
DevOps
Helm
Rest API
Docker
GCP
Kubernetes
Azure
CI/CD
AWS
+13
HQ: Herndon, United States • Trust A • Hiring 7
At BTI360, we deliver great software fast. Based in NOVA, BTI360 is a team of engineers who love crafting cool software solutions that solve hard problems.
No named decision-maker yet.
Careers mailbox is known
$114k – $248k per year • In office (Chantilly, United States) • TS/SCI
Python
Python
Flask
Django
Databases
ElasticSearch
OpenSearch
Apache Kafka
DevOps
GitLab CI
GitHub Actions
Jenkins
Rest API
Git
CI/CD
AWS
Amazon Kinesis
AWS Step Functions
Terraform
Management
Agile
QA
Pytest
+10
HQ: Arlington, United States • Digital Government • Engineering Services • 51-200 employees • Trust A • Hiring 30
Tesla Laboratories is a service-disabled veteran-owned small business based in Arlington, Virginia, that provides cyber security, intelligence analysis, financial management, facilities engineering and program management support to the US Intelligence Community, the Department of Defense and other federal agencies. It places staff at customer sites in Virginia, Washington State, Florida, Michigan, Alabama, Hawaii, New Hampshire and Washington, DC. Its openings include civil, electrical, mechanical, structural and fire protection engineers, cost estimators, construction inspectors, program and project managers and cleared software engineers.
No named decision-maker yet.
No careers mailbox known
≈ $121k – $260k per year (Estimated) • In office (Chantilly, United States)
Scala
Node JS
Java
TypeScript
JavaScript
Java
Spring Framework
Spring Security
Apache Tomcat
Spring Boot
Databases
DynamoDB
PostgreSQL
AI/ML
NLP
Frontend
Angular
Angular Material
Mobile
JUnit
DevOps
Jenkins
Rest API
Git
Azure
AWS
Management
Agile
QA
Jest
+14
≈ $124k – $267k per year (Estimated) • In office (Chantilly, United States)
JavaScript
Python
Python
pySpark
Databases
HBase
ElasticSearch
AI/ML
Hadoop
Spark
DevOps
GitHub
AWS
+1
HQ: Arlington, United States • IT Consulting & Digital Transformation • Digital Government • 5000+ employees • Trust B • Hiring 573, 52 new
Accenture Federal Services is the US federal government business of the global professional services firm Accenture, providing technology, cloud, AI, data and cybersecurity services to defense, national security, public safety, civilian and military health agencies, headquartered in Arlington, Virginia, near Washington, DC. It operates as a wholly owned subsidiary of Accenture and employs more than 13,000 people. Its openings are mostly technical roles such as cloud services engineers, software engineering leads, solution architects, data engineers, CI/CD pipeline engineers, SharePoint specialists, system administrators, test engineers and user experience designers.
No named decision-maker yet.
No careers mailbox known
≈ $155k – $287k per year (Estimated) • Senior • 8+ years exp • Hybrid (Chantilly, United States) • Bachelor's Degree • TS/SCI • Staff
Go
Node JS
TypeScript
Java
Python
JavaScript
Databases
DynamoDB
Frontend
React.js
DevOps
AWS Lambda
AWS
Management
Agile
+3
≈ $141k – $262k per year (Estimated) • Senior • 5+ years exp • In office (Chantilly, United States) • TS/SCI • Senior
VMWare
BGP
MPLS
Ansible
Cybersecurity
FedRAMP
Zero Trust
≈ $187k – $349k per year (Estimated) • Staff+ • 10+ years exp • In office (Chantilly, United States) • Bachelor's Degree • Top Secret • Staff
Node JS
JavaScript
Python
TypeScript
Databases
RabbitMQ
ElasticSearch
OpenSearch
Apache Kafka
Frontend
GraphQL
tRPC
React.js
DevOps
gRPC
Rest API
Kubernetes
Docker
Cybersecurity
Zero Trust
OpenCTI
Management
Agile
+10
HQ: Tucson, United States • Intelligence • Electronic Warfare • Est. 1983 • Trust B • Hiring 39, 1 new
Welcome to Rincon Research Corporation. Our core business is to design, build, test, and field high-performance DSP products and services for the U.S. Defense and Intelligence communities.
No named decision-maker yet.
No careers mailbox known
$130k – $160k per year • Equity • Senior • 5+ years exp • In office (Chantilly, United States) • Full-Time • TS/SCI • Citizenship or vetting required • Senior
Go
C#
TypeScript
C++
JavaScript
Python
AI/ML
Function Calling
AI Agents
LangGraph
AutoGen
Embeddings
Semantic Kernel
Semantic Search
LangChain
Model Context Protocol
RAG
LLM
DevOps
Git
Docker
CI/CD
Linux
Kubernetes
Cybersecurity
Zero Trust
+15
$225k – $275k per year • Equity • Senior • In office (Chantilly, United States) • Full-Time • TS/SCI • Citizenship or vetting required • Senior
C++
Python
Databases
PostgreSQL
DevOps
GitLab
Podman
Docker
Kubernetes
Management
Agile
HQ: Menlo Park, United States • Ground Systems • Space Defense • Space Services • 201-500 employees • Est. 2016 • Trust B • Hiring 27
LeoLabs is a space situational awareness company headquartered in Menlo Park, California, and founded in 2016 as a spin-off from SRI International. The company operates a global network of phased array radars that track satellites and debris in low Earth orbit, publishing conjunction warnings and orbit determination data. It sells to satellite operators, insurers, and defense agencies that need independent tracking of objects and manoeuvres above the atmosphere.
No named decision-maker yet.
Careers mailbox is known
up to $186k per year • Equity • Senior • 5+ years exp • Washington • Chantilly • Remote (United States) • Bachelor's Degree • Contractor • TS/SCI • Senior
Go
Python
TypeScript
JavaScript
Databases
MySQL
Apache Kafka
PostgreSQL
DevOps
GCP
Azure
CI/CD
AWS
Kubernetes
+4
Chantilly • Reston • Herndon • McLean • Tysons • Homeland Security • National Security • 1001-5000 employees • Est. 1989 • Trust B • Hiring 42, 4 new
Mission First. © 2026 GCI Inc. All rights reserved. Established 1989, Reston, Virginia. About Us GCI is an Engineering and IT Services company focusing on Data Analytics, Engineering, Cyber Operations, Targeting and Analysis, Operations Solutions and Training.
No named decision-maker yet.
Careers mailbox is known
$143k – $238k per year • In office (Chantilly, United States) • Bachelor's Degree • Full-Time • TS/SCI
Python
Databases
ElasticSearch
OpenSearch
DevOps
AWS CDK
Amazon EC2
Amazon S3
IAM
Terraform
Rest API
Git
AWS
+3
HQ: Costa Mesa, United States • Defense Manufacturing • C4ISR • Military Drones • Defense AI • 5000+ employees • Est. 2017 • Trust B • Hiring 2162, 170 new
Anduril Industries is an American defence technology company founded in 2017 that builds autonomous systems and command software for military and border security customers. Rather than bidding on cost-plus programmes, it develops products with its own capital and sells them as finished systems, from surveillance towers and counter-drone interceptors to underwater vehicles and collaborative combat aircraft. Its Lattice software platform fuses sensor data into a single operating picture and controls the hardware family, and the company is headquartered in Costa Mesa, California with a large manufacturing site in Ohio.
Matt Grimm · Co-Founder & Chief Operating Officer · decision-maker
Trae Stephens · Co-Founder & Executive Chairman · decision-maker
Brian Schimpf · Co-Founder & Chief Executive Officer · decision-maker
Palmer Luckey · Founder · decision-maker
Careers mailbox is known
$220k – $292k per year • Equity • Staff+ • 10+ years exp • In office (Chantilly, Herndon, United States) • Bachelor's Degree • Top Secret • Citizenship or vetting required • Staff
C
C
Embedded C
AI/ML
Computer Vision
Machine Learning
Robotics
Sensor Fusion
HQ: Washington, United States • Space & Aerospace • 11-50 employees • Est. 2020 • Likely startup • Hiring 18
At Sphinx Defense, we develop high-performance software that powers secure, efficient space missions—keeping critical missions on track.
No named decision-maker yet.
Careers mailbox is known
$157k – $190k per year • Equity • Senior • 5+ years exp • Hybrid (Chantilly, United States) • TS/SCI • Citizenship or vetting required • Senior
TypeScript
JavaScript
SQL
Python
Frontend
Vue.js
Angular
React.js
DevOps
Rest API
Docker
Kubernetes
+2
HQ: Chantilly, United States • Trust A • Hiring 11
MISSION FIRST. Our prime contract number is 47QTCA19D003D. Detailed information can be seen in the GSA Library.
No named decision-maker yet.
No careers mailbox known
≈ $122k – $264k per year (Estimated) • In office (Chantilly, Herndon, United States) • TS/SCI
TypeScript
Node JS
JavaScript
Python
Python
Flask
Django
Node JS
Nest.JS
Databases
ElasticSearch
Frontend
Angular
React.js
QA
Selenium
Cypress
+4
≈ $122k – $263k per year (Estimated) • In office (Herndon, McLean, Chantilly, United States) • TS/SCI
Node JS
JavaScript
SQL
Python
TypeScript
Node JS
Nest.JS
Databases
DynamoDB
MySQL
PostgreSQL
Frontend
Vue.js
Angular
React.js
React Query
DevOps
Rest API
AWS
AWS Lambda
API Gateway
Amazon S3
CI/CD
Management
n8n
Confluence
Agile
+14
