Full-Time

Principal Simulation & Systems Integration Engineer

Multiple Teams

Posted on 9/6/2025

Tria Federal

Tria Federal

1,001-5,000 employees

End-to-end digital transformation for federal agencies

No salary listed

Lexington, MA, USA

Hybrid

Hybrid work arrangement requires in-person presence at Hanscom AFB.

US Top Secret Clearance Required

Category
AI & Machine Learning (2)
,
Required Skills
Microsoft Azure
Agile
Python
AWS
C/C++
Requirements
  • B.S Degree
  • 10+ years of relevant experience in software development with expertise in: C++, Python, AFSIM, databases, and web application development.
  • Cloud platforms (AWS, Azure) and RESTful architectures.
  • 2+ years of experience in military mission planning, operations, and wargaming.
  • 2+ years of relevant experience in simulation training at Air Operations Centers (AOCs).
  • Proven ability to architect, secure, implement, and lead software development for C5ISR and M&S environments.
  • Hands-on experience with Agile methodologies, DevSecOps pipelines, and full-stack development.
Responsibilities
  • Support certification and accreditation activities for C2SET deployments
  • Provide senior-level technical expertise in architecting, developing, testing, and maintaining C2SET simulation and stimulation capabilities.
  • Lead full-stack development efforts, ensuring alignment with Agile and DevSecOps practices.
  • Oversee software code sustainment, modernization, database and algorithm development, and migration of legacy systems.
  • Design, update, and replace software components, models, and simulations in coordination with Government technical leads.
  • Ensure interoperability with Joint and Air Force simulation federations (ASCCE, ACE-IOS, AFSERS, JLVC, JLCCTC).
  • Drive integration with AOC Weapon Systems and emerging C5ISR capabilities.
  • Provide technical leadership to development teams, mentoring engineers in modern software practices.
  • Collaborate with other contractor teams, Kessel Run, and Air Force stakeholders on modernization and sustainment efforts.
  • Support fielding and operational sustainment activities, including exercises and events worldwide.
  • Direct software validation, verification, and Agile test strategies.
  • Ensure accuracy, realism, and currency of simulations to meet operational training requirements.
Desired Qualifications
  • Familiarity with Air Force Modeling & Simulation systems and AOC Weapon Systems.
  • Experience integrating with DoD federated simulation environments.
  • Knowledge of predictive analytics, AI/ML/RL techniques for simulation enhancements.
  • Advanced degree in Computer Science, Engineering, or related field.

Tria Federal provides end-to-end digital transformation for federal health and public safety agencies by pairing advisory services with hands-on technical execution. The company offers five service lines—results management, integrated health optimization, next-generation analytics, financial transformation, and digital modernization—supported by AI, cloud engineering, agile development, and data analytics. It differentiates itself with an integrated, government-focused delivery model built from the merger of F|A|P, FTC, UCS and the Softrams acquisition, plus Sagewind Capital backing to enable rapid modernization and human-centered design. Its goal is to improve efficiency, transparency, and outcomes for federal clients by delivering practical, scalable technology and process changes.

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Arlington, Virginia

Founded

2021

Simplify Jobs

Simplify's Take

What believers are saying

  • $174M VA recompete contract won in 2025 expands software engineering.
  • Tria Forge AI platform launched September 2025 accelerates federal deployments.
  • Sean Vineyard promoted SVP Growth Operations early 2026 drives captures.

What critics are saying

  • Guidehouse undercuts Tria's public safety contracts using DHS scale.
  • Softrams cultural clashes cause talent exodus within 6-12 months.
  • Deloitte erodes CMS share with superior AI in 18-36 months.

What makes Tria Federal unique

  • Tria Federal merges advisory with technical execution across five service lines.
  • Softrams acquisition in November 2024 boosts CMS human-centered design.
  • Tria Labs launched August 2024 prototypes AI and cybersecurity solutions.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Health Insurance

Mental Health Support

Wellness Program

Flexible Work Hours

Remote Work Options

Professional Development Budget

Growth & Insights and Company News

Headcount

6 month growth

-1%

1 year growth

-1%

2 year growth

0%
GovCon Wire
Mar 26th, 2026
Tria Federal appoints Sean Vineyard as growth operations SVP.

Tria Federal appoints Sean Vineyard as growth operations SVP. Sean Vineyard has assumed new responsibilities as senior vice president of growth operations at Tria Federal. The Arlington, Virginia, company said in a LinkedIn post Wednesday that Vineyard will lead efforts to drive enterprise business development and execute its capture and growth strategy. "I'm excited for the opportunity to deliver mission-driven digital solutions that produce clear, measurable ROI for our federal health and public safety partners," Vineyard stated. "With the outstanding team we have at Tria, I'm confident we will redefine what mission performance looks like across the federal landscape." Government leaders will take the stage at the Potomac Officers Club's 2026 Digital Transformation Summit on April 22 to provide updates on modernization initiatives across various agencies and talk to industry about capabilities the government still needs to transform outdated legacy systems. Sign up today to secure your spot. Who is Sean Vineyard? Vineyard most recently served as Tria's vice president of business development, a role he has held since June 2025. He also held the role of vice president of business development for military and veteran health. The executive also previously led as vice president at Federal Advisory Partners, which acquired Favor TechConsulting and Universal Consulting Services in 2022 and transformed into Tria Federal in March 2023. "Sean has consistently advanced Tria's growth strategy while strengthening customer success," commented Tria President Atchut Kanthamani. "In his new role, Sean will continue to raise the bar for excellence in delivering [artificial intelligence]-enabled digital services and technology solutions that keep Americans healthy and safe. We are confident in his leadership and excited for what's ahead." Vineyard was a partner and managing director at 11th Hour Service and held roles at Kearney & Company and Deloitte earlier in his career. What is Tria Federal? Tria Federal is a government services provider specializing in federal IT transformation, digital services and AI capabilities. One of its offerings is Tria Forge, a generative AI platform launched in September to help organizations develop and deploy AI tools. In October, the company joined the ServiceNow Partner Program to support agency digital modernization through AI-driven workflow automation and enterprise platform delivery.

ExecutiveBiz
Sep 30th, 2025
Tria Federal Eyes Broader AI Adoption With Launch of Tria Forge Platform

Tria Federal has announced the launch of Tria Forge, a serverless generative artificial intelligence platform designed to help organizations develop and deploy AI tools.

The National Law Review
Aug 19th, 2025
Tria Federal Promotes Murali Mallina to Chief Technology Officer

ARLINGTON, Va., Aug. 19, 2025 (GLOBE NEWSWIRE) - Tria Federal (Tria) has promoted Murali Mallina to be the company's new Chief Technology Officer (CTO).

GovCon Wire
Jul 18th, 2025
Tria Federal Wins $174M VA Recompete Contract for Software Development Support

Digital services provider Tria Federal has won a five-year, $174 million recompete contract from the Department of Veterans Affairs to provide expanded software engineering and development support services for VA's Financial Services Center, or FSC.

ExecutiveBiz
Jun 24th, 2025
Tria Federal Names Sean Vineyard as Business Development VP

Tria Federal executive Sean Vineyard has announced on LinkedIn his appointment as the company's vice president of business development.

INACTIVE