2,115,188open jobs
134,036companies
243,448added this week
Browse all
Salary
$87k – $157k per year
Location
In office (Beavercreek)
Seniority
Middle · 4+ years exp
Visa
H-1B filings in 12 months: 50 · for this role: 24 · green card filings: 24
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Nov 2, 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.

Leidos is hiring a Modeling and Simulation Engineer with an active Secret clearance in our Beavercreek Ohio Office. The successful candidate will use strong technical capabilities and communication skills to collaborate with technical teams of engineers and scientists to integrate an infrared threat simulation into a multispectral few-on-few engagement simulation environment.

Primary Responsibilities:

  • Perform tasks related to the integration of an infrared threat simulation into a multispectral few-on-few, C++ based simulation environment
  • Work with a team of engineers and collaborate on team tasking
  • Collaborate with teams of government and contractor personnel
  • Participate in the design and implementation of tools that support the wider multispectral simulation
  • Test and evaluate implementations, provide feedback to developmental team and team partners
  • Develop, code and test software and prepare documentation requested by the government customer

Basic Qualifications:

  • Bachelor’s degree in CS, CE, EE or a related field with 4+ years of applicable experience or an MS degree in CS, CE, EE, or a related field with 2+ years of experience
  • Experience with C++, Linux
  • Experience with modeling and simulation (M&S) techniques
  • Excellent English-language written and verbal communication. Strong emphasis on writing ability
  • Great people skills and the desire to work with technical teams of engineers and scientists
  • Ability to work independently and under deadlines in a mixed government-contractor environment
  • To be considered, must have a current and active Secret security clearance

Preferred Qualifications:

  • Experience working with modeling and simulation, Python, GPU compute, HPC resources, EO/IR sensor phenomenology, infrared threat systems
  • Previous experience with department of defense software applications

NKE

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:

November 2, 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 $87,100.00 - $157,450.00

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.
2,115,188 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

Backend
Similar stack
Same company
Beavercreek
$400k – $500k per year · In office · Full-Time · New York
JavaScript
TypeScript
Node JS
Databases
PostgreSQL
Redis
NATS
Apache Kafka
DevOps
Kubernetes
Web3
DeFi
Apply
Product Engineer II 6 hours ago
Hybrid · Nationals only · 2+ years exp · Bachelor's Degree · Torrance
SpaceTech
AS9100
Apply
$70k – $119k per year · In office · Full-Time · 2+ years exp · Bachelor's Degree · Burlington
JavaScript
TypeScript
SQL
C#
Node JS
C#
.NET
Databases
Snowflake
Apache Kafka
Frontend
Redux
Yarn
RxJS
React.js
npm
DevOps
Azure
Kubernetes
Management
Agile
QA
Cypress
Jest
Apply
Software Engineer 2 29 min ago
$188k – $263k per year · Equity · Hybrid · Full-Time · 2+ years exp · Master's Degree · San Jose
Apply
Remote (United States) · Full-Time · 6+ years exp · Master's Degree · Atlanta
Python
Go
Java
TypeScript
SQL
DevOps
Terraform
Ansible
GCP
Prometheus
CI/CD
AWS
Grafana
Spinnaker
FinOps
SLI/SLO/SLA
Cybersecurity
PKI
Apply
$83k – $125k per year · In office · TS/SCI · Full-Time · 2+ years exp · High School Diploma · Beavercreek
JavaScript
TypeScript
Frontend
Next.js
React.js
Zod
Yup
DevOps
Rest API
CI/CD
GitOps
ArgoCD
Kubernetes
Blue-Green Deployment
Sealed Secrets
External Secrets
Progressive Delivery
Linux
Cybersecurity
HashiCorp Vault
Zero Trust
Management
Agile
QA
Cypress
Playwright
Jest
Vitest
Apply
Software Engineer 1 day ago
In office · Beavercreek
Python
C++
DevOps
Linux
Apply
In office · TS/SCI · Full-Time · 3+ years exp · Bachelor's Degree · Beavercreek
Python
TypeScript
SQL
C++
C++
OpenGL
Databases
PostgreSQL
AI/ML
Computer Vision
NumPy
PyTorch
Machine Learning
DevOps
Rest API
GitLab CI
CI/CD
HPC
Linux
Apply
$75k – $95k per year · In office · TS/SCI · Bachelor's Degree · Beavercreek
Python
Verilog
C++
VHDL
C++
CMake
AI/ML
Computer Vision
DevOps
Git
Linux
Chips/EDA
Xilinx Vivado
Vitis
Apply
Software Engineer 2 days ago
$95k – $140k per year · In office · TS/SCI · 3+ years exp · Bachelor's Degree · Beavercreek
Python
Verilog
C++
VHDL
C++
CMake
AI/ML
Computer Vision
DevOps
CI/CD
Git
Linux
Chips/EDA
Xilinx Vivado
Vitis
Apply
See all jobs
This is one of many
2,115,188 more open roles from verified company boards, updated every day.