---
title: 'Principal Software Integration and Test Engineer at ALTEN Technology USA'
canonical: 'https://feeny.ai/job/principal-software-integration-and-test-engineer-alten-technology-usa-denver-wj143tdgaq74'
type: 'job'
last_seen: '2026-09-06'
---

# Principal Software Integration and Test Engineer at ALTEN Technology USA

- **Company:** ALTEN Technology USA
- **Location:** Denver, CO
- **Posted:** 2026-03-27
- **Last confirmed live:** 2026-09-06
- **Apply:** https://job-boards.greenhouse.io/altentechnologyusa/jobs/5092449007

## Job description

We’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more.

As part of the global ALTEN Group—57,000+ engineers in 30 countries—we deliver across the entire product development cycle, from consulting to full project outsourcing.

When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow.

As Principal Software Engineer (Contract) - Flight SW & Systems Modeling you will be responsible for;

- Upgrade existing flight software for new missions
- Contribute to the development of new satellite flight software for U.S. satellite platforms
- Develop in-house tools to analyze flight software performance and assess its compatibility with new mission and conops
- Develop and execute flight software tests at the unit, module, subsystem, and platform level
- Work with manufacturing engineers to support installation onto the hardware-in-the-loop test environment and eventual flight hardware
- Participate in anomaly resolution activities and patch existing flight software
- Contribute to the development of systems- and mission-level modeling and simulation tools
- Develop software models of payloads for ground testing
- Support development of software model of satellite platform, particularly ensuring accurate representation of the flight software
- Support working groups, both internal and with customers and/or vendors
- Support proposal writing, new business
- Assess the software impacts of new hardware, conops, and missions

## Qualifications;

Education:

- Bachelor's degree in STEM (Science, Technical, Engineering, Math) or related scientific areas.
- Preferred: Master's in STEM (Science, Technical, Engineering, Math) or related scientific areas.

Experience:

- A minimum of 15 years with a Bachelor's degree, or 12 years with a Master's degree
- Proven track-record of working with space hardware and/or flight software systems, starting from conceptual designs and tradeoffs through detailed design, development, manufacture, integration, test, deployment, and operations.

Knowledge, Skills, Demonstrated Capabilities:

- Insatiable curiosity and a demonstrated ability to learn and work independently
- Proficiency in C/C++
- Expertise in one or more of the following:
- Embedded software development (ARM 7 preferred)
- BSP development
- Device driver development and software/hardware interfaces (Ethernet/CAN/SpaceWire RMAP/1553/RS-422 preferred)
- New board bring up
- Real-time operating systems programming, debugging, and testing (RTEMS and/or PetaLinux preferred)
- Cybersecurity for Space Systems
- GNC algorithms design, analysis, testing, and implementation
- Functional validation of embedded software on HITL and/or SITL test beds
- Software safety assurance
- Network topology and configuration
- Simulators: numerical, emulator, and hardware in the loop
- Software requirements and configuration management

Travel Required:

- Periodic travel (less than 20%) to U.S. facilities or partner companies
- Occasional International travel to collaborate with European counterparts

Eligibility:

- US Citizenship is required

Clearance:

- Ability to obtain and maintain a Government security clearance
- Active DoD security clearance at Secret or above highly desirable

Salary Range: $150K-$220K

The actual salary offered is dependent on various factors including, but not limited to, location, the candidate’s combination of job-related knowledge, qualifications, skills, education, training, and experience

Note: Due to the nature of the work, only US citizens need apply for this position.

Location: Can be fully remote. Preferred locations are Denver, CO, Arlington, VA, Merritt Island, FL, and Houston, TX All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy.

Please beware of job seeker scams and see this [important notice](https://www.alten.com/careers/job-offers/) on our careers page for more information about our recruiting process.

Compliance Notice: Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Drug Screening Requirement: As a federal contractor, Alten USA maintains a drug-free workplace. All candidates selected for employment will be required to successfully complete a pre-employment drug screening as a condition of hire.

## About ALTEN Technology USA

## Company Overview
- **One-liner**: ALTEN Technology USA is a premier engineering and technology consulting firm that partners with clients to design, build, and scale solutions across aerospace, automotive, life sciences, energy, and telecommunications.
- **Entity Type**: Public (part of ALTEN Group, Euronext Paris: ALTE)
- **Headquarters**: Greensboro, North Carolina, United States
- **Founded**: 1988
- **Founders**: Not publicly available (ALTEN Group was founded by Laurent Schwartz in 1988)

## Core Business
- **Primary industries**: Aerospace & Defense, Automotive (including EV), Life Sciences & Medical Devices, Energy & Environment, Rail, Telecommunications, Unmanned Systems & Robotics
- **Target customers**: Enterprise (B2B) — large OEMs, Tier 1 suppliers, and government contractors
- **Mission/purpose**: To deliver product development and engineering solutions for the world’s most advanced industries, with a commitment to sustainable innovation and ESG principles

## Products & Services
ALTEN Technology USA offers end-to-end engineering and IT services covering the entire product lifecycle:
- **Mechanical Engineering**: Design, analysis, and prototyping
- **Embedded Electronics Engineering**: Hardware and firmware development
- **Software Engineering & IT**: Application software, cloud & infrastructure, data management
- **Systems Engineering**: Requirements management, architecture, integration
- **Manufacturing Engineering**: Process optimization, production support
- **Product Development**: From concept through launch
- **Sustaining Engineering**: Lifecycle support and legacy system management
- **Project Management Office (PMO)**: Program oversight and delivery management
- **Cybersecurity**: Security testing and compliance
- **Artificial Intelligence**: AI/ML solution development
- **Software Testing**: QA and validation services
- **Green IT**: Sustainable IT consulting
- **Medical Devices & Diagnostics**: Full development under ISO 13485
- **Aerospace & Defense**: AS9100 and ITAR compliant services
- **Rail**: Engineering for rail systems
- **Pharmaceutical**: Engineering for pharma manufacturing
- **Automotive Engineering**: Including EV and autonomous vehicle development

## Market Standing
- **Valuation/Market Cap**: Not publicly available for the U.S. subsidiary; ALTEN Group (parent) is a publicly traded company on Euronext Paris (ALTE)
- **Key Metric**: Part of the ALTEN Group, which employs **57,400+ employees** globally across **30+ countries** — ALTEN Technology USA employs approximately **600+ people** in the United States
- **Notable Investors/Partners**: ALTEN Group (parent, founded 1988); partners with major clients across aerospace, automotive, and life sciences
- **Growth Signals**: 20+ years serving U.S. clients; presence in 30+ U.S. cities; named a **2023 Top Workplaces USA Award Winner**; LinkedIn follower base grew **+54.1% year-over-year** (103,000 followers); active hiring with 130+ open roles on Greenhouse

## Competitive Advantages
- **Global reach with local expertise**: Access to 57,000+ engineers worldwide combined with localized U.S. delivery centers
- **Broad industry coverage**: Expertise across aerospace, automotive, medtech, energy, rail, and defense — rare breadth in the engineering services space
- **Certifications & compliance**: ISO 9001, ISO 13485, AS9100, ITAR compliant — enabling work on highly regulated projects
- **ESG commitment**: Member of the United Nations Global Compact since 2010; net-zero emissions goal by 2050; 30%+ of R&D dedicated to sustainable innovation
- **End-to-end capability**: Covers the entire product lifecycle from concept to manufacturing to lifecycle support

## Strategic Focus
- **Sustainable innovation**: Investing heavily in green engineering, energy transition, and climate-related projects
- **Digital transformation**: Expanding AI, cloud, and data management capabilities
- **U.S. market growth**: Continuing to expand footprint across U.S. cities and deepen relationships with domestic clients
- **Talent development**: Focus on mentorship, career growth, and international mobility opportunities for engineers

## Why Work Here
- **Culture**: Named a **Top Workplace in the US (2023)**, with strong employee feedback on work-life balance and relationship-building
- **Work model**: Mix of on-site at client facilities and work package execution at delivery centers; scheduling flexibility emphasized
- **Benefits**: Medical, dental, vision insurance; 401(k)-matching program; PTO; paid parental leave
- **Career growth**: Opportunities for mentorship, international mobility across 30+ countries, and exposure to cutting-edge projects in aerospace, medtech, and autonomous vehicles
- **Engineering culture**: Collaborative, solution-oriented environment with interesting technical challenges — projects include space exploration, life-saving medical devices, and autonomous electric taxis
- **Diversity**: 100+ nationalities represented within the global ALTEN Group
- **Important note**: ALTEN Technology has reported employment scams; they do not charge fees to applicants and only extend offers after a formal interview process — beware of unsolicited offers from domains other than alten.com

## Sources
1. [ALTEN Technology USA - About Page](https://altenusa.com/about/)
2. [ALTEN Technology USA - Careers Page](https://altenusa.com/careers/)
3. [ALTEN Technology USA - Job Openings (Greenhouse)](http://job-boards.greenhouse.io/altentechnologyusa)
4. [ALTEN Technology USA - LinkedIn](https://www.linkedin.com/company/altentechnologyusa)
5. [ALTEN USA - Homepage](https://altenusa.com/)
6. [ALTEN Group - Global Careers](https://www.alten.com/why-choose-alten/#technological-challenges)

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