1,969,887open jobs
116,519companies
253,085added this week
Browse all
Salary
$92k – $167k per year
Location
In office (Washington)
Seniority
Staff · 8+ years exp
Visa
H-1B filings in 12 months: 50 · for this role: 2 · green card filings: 24
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 25, 2026. First seen by Alion on Oct 20, 2026. Leidos scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Leidos is an American technology and engineering services company created in 2013 when Science Applications International Corporation split in two, with Leidos taking the technical services and solutions business. It is one of the largest suppliers to the United States government, working across defence programmes, intelligence systems, civil agencies including the Federal Aviation Administration, and healthcare services for the Department of Veterans Affairs. Headquartered in Reston, Virginia, the company also builds security detection products for airports and borders, and has concentrated recent investment on trusted artificial intelligence and autonomy for mission environments.

Position: MDS Systems Test Engineer

Location: Washington Navy Yard, DC

Clearance: Top Secret

Make an Impact with Leidos

At Leidos, we deliver innovative solutions through the dedication of our diverse and talented teams. United by a shared commitment to our customers’ success, we empower our people, support our communities, and operate sustainably. Our Mission, Vision, and Values guide every aspect of our work, ensuring we do the right thing-for our customers, our people, and the world around us.

Thrive in a Mission-Focused Environment

The Leidos Defense Sector provides advanced systems, solutions, and services across land, sea, air, space, and cyberspace. From enterprise IT and large-scale intelligence systems to cybersecurity, geospatial analytics, logistics, and training, we support some of the nation’s most critical defense missions. Our teams take on challenges where failure is not an option-and succeed.

We are seeking a Systems Test Engineer focused on Mission Distribution System (MDS) to join our team at the Washington Planning Center to support the Theater Mission Planning Center (TMPC) segment of the Tomahawk Weapon System (TWS) located at the Washington Navy Yard.

This System Test Engineer will be focused on MDS and will be part of the System Test Engineering Team. The System Test Engineer will work in support of the Leidos Systems Engineering contract with the US Navy.

Primary Responsibilities

  • Requirements analysis; software design analysis, specification reviews, user documentation inspection; test planning, test execution (functional, integration, regression and more), test results recording and reporting, operational test scenario development, milestone review participation, and site acceptance testing at multiple end-user locations as necessary.
  • Domestic and some international travel may be required - possibly up-to 25% per year.
  • Activities also include reviews and evaluation of products and processes and participation in various Engineering review boards.
  • Works independently to achieve day-to-day objectives.
  • Develops solutions to technical problems that may require collaboration with internal experts.
  • Regularly communicates and leads internal project team members, management, and external organizations and customers as necessary.
  • Responsible for project schedules and performance requirements are met.
  • Leads the development of the organization's goals and objectives and process improvement.

Basic Qualifications

  • Bachelor’s degree with 8+ years of related experience. Additional experience, training, and/or certifications may substitute degree requirement.
  • US Citizen; Currently possessing an active DoD Top Secret clearance with ability to upgrade to a TS/SCI clearance upon hire.
  • Operational experience with Tomahawk Mission Distribution System (MDS) and strike planning is highly desired.
  • Working knowledge of software engineering, software programming, databases including SQL, system interface testing, and test automation is a plus.

Preferred Qualifications

  • Proficiency in computer applications languages technologies and/or capabilities required for this position.
  • Good technical writing and communication skills.
  • Experience with verification and validation test activities including development of test cases and procedures, execution of test procedures, documentation of test issues, and test reporting.

Ready to make an impact? Start your next career chapter with Leidos-apply today!

DABAOPP1

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:

October 20, 2026

For 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 $92,300.00 - $166,850.00

The 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.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,969,887 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

QA
Similar stack
Same company
Washington
$87k – $157k per year • In office • Secret • Full-Time • 4+ years exp • Bachelor's Degree • Huntsville
Python
JavaScript
TypeScript
C
C++
Python
Flask
C
ZeroMQ
Frontend
Angular
Sass
DevOps
GitLab CI
CI/CD
Jenkins
Docker
Linux
Management
Jira
Apply
$92k – $167k per year • In office • TS/SCI • Full-Time • 8+ years exp • Bachelor's Degree • Orlando
DevOps
Windows
Cybersecurity
Nessus
Least Privilege
Active Directory
Management
Confluence
Jira
Agile
MedTech
Verification & Validation
Defense
JADC2
Apply
$123k – $164k per year • Remote (United States) • Full-Time • 10+ years exp • Bachelor's Degree • United States
DevOps
CI/CD
Cybersecurity
Shift-Left Security
Apply
Test Engineer 2 days ago
≈ $93k – $184k per year (Estimated) • In office • Full-Time • 8+ years exp • Master's Degree • United States
Apply
QA Engineer 1 day ago
$180k – $200k per year • In office • Full-Time • 3+ years exp • San Francisco
Go
AI/ML
AI Agents
LLM
DevOps
gRPC
Prometheus
CI/CD
Kubernetes
Grafana
Chaos Engineering
Alertmanager
Linux
Apply
≈ $88k – $173k per year (Estimated) • In office • Full-Time • London
Python
Java
Rust
Kotlin
SQL
C++
Scala
Clojure
Databases
Apache Kafka
AI/ML
LLM Guardrails
DevOps
GCP
Azure
CI/CD
AWS
Kubernetes
Apply
$111k – $185k per year • In office • 5+ years exp • Bachelor's Degree • Chicago
Python
SQL
AI/ML
Machine Learning
DevOps
GitHub
Management
Jira
Agile
Apply
Senior Modeller 3 days ago
≈ $48k – $107k per year (Estimated) • In office • Full-Time • New Zealand
Python
SQL
SAS
Apply
$85k – $121k per year • Hybrid • Full-Time • Bachelor's Degree • Minneapolis • Denver • Amarillo
SQL
Apply
.NET Web Developer 3 days ago
≈ $120k – $221k per year (Estimated) • Hybrid • Nationals only • Part-Time • 5+ years exp • Bachelor's Degree • Washington
JavaScript
SQL
C#
C#
ASP.NET Core
Databases
MS SQL
Frontend
JQuery
DevOps
Rest API
Azure DevOps
Azure
Git
Management
Agile
Apply
$92k – $167k per year • In office • TS/SCI • Full-Time • 6+ years exp • Bachelor's Degree • Orlando
DevOps
Linux
Windows
Unix
Cybersecurity
Nessus
Least Privilege
Active Directory
Management
Confluence
Jira
Agile
MedTech
Verification & Validation
Defense
JADC2
Apply
$70k – $126k per year • In office • Full-Time • 2+ years exp • Bachelor's Degree • Gaithersburg
AI/ML
Claude Code
Machine Learning
DevOps
Podman
CI/CD
Docker
Linux
Unix
Management
Agile
QA
Selenium
Pytest
Robot Framework
MedTech
Verification & Validation
Apply
$87k – $157k per year • In office • Full-Time • 8+ years exp • Bachelor's Degree • Gaithersburg
AI/ML
Claude Code
Machine Learning
DevOps
Rest API
Podman
CI/CD
Docker
Linux
Unix
Management
Agile
QA
Selenium
Pytest
Robot Framework
SpaceTech
MBSE
MedTech
Verification & Validation
Apply
$108k – $195k per year • In office • Full-Time • 8+ years exp • Bachelor's Degree • Gaithersburg
Python
Bash
AI/ML
Claude Code
Machine Learning
DevOps
Rest API
Podman
CI/CD
Docker
Linux
Unix
Management
Agile
QA
Selenium
Pytest
Robot Framework
SpaceTech
MBSE
MedTech
Verification & Validation
Apply
$70k – $126k per year • In office • Secret • Full-Time • 2+ years exp • Bachelor's Degree • Huntsville
Python
Java
C#
AI/ML
AI Agents
DevOps
Linux
Windows
Management
Jira
Defense
MIL-STD-882
Apply
IAM Engineer 1 day ago
$100k – $110k per year • Hybrid • Full-Time • Bachelor's Degree • Washington
DevOps
IAM
Cybersecurity
CyberArk
Apply
$42k per year • In office • Full-Time • High School Diploma • Washington
Apply
$204k – $265k per year • Equity • Hybrid • Nationals only • Full-Time • 6+ years exp • Washington
Apply
≈ $41k – $89k per year (Estimated) • In office • 1+ year exp • PhD • Washington
Life Sciences
Western Blot
Cell Culture
Apply
$65k – $71k per year • In office • 1+ year exp • PhD • Washington
Life Sciences
CRISPR
Flow Cytometry
Cell Culture
Apply
See all jobs
This is one of many
1,969,887 more open roles from verified company boards, updated every day.