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Integration Innovation (i3)

Defense contractor delivering missile, cyber engineering

Program-Level Software Systems Engineer

Full-TimeDeadline 10/5/27
No salary listed
Expert
Bachelor's
Huntsville, AL, USA
In PersonMust reside in the Huntsville area or be willing to relocate there.
Software Engineering
No H1B Sponsorship
US Citizenship Required

About the job

Requirements
  • Must be a U.S. citizen and reside in the Huntsville, Alabama area or be willing to relocate there.
  • A bachelor's degree in engineering, science, or a related field is required.
  • At least 10 years of systems engineering experience is required.
  • Experience in one or more of the following areas is required: tactical command and control systems, tactical weapons systems, tactical sensor systems, software, hardware, requirements decomposition, or model-based systems engineering tools and languages.
  • Solid theoretical and applied knowledge of Link-16 is required.
  • Must be comfortable working as a team member in an Agile environment and engaging stakeholders at various levels to ensure the software meets intended users' needs.
  • Must be highly organized and have a strong technical background in systems engineering principles.
  • A Secret security clearance is required.
Responsibilities
  • Work with contractors, government civilians, and system operators.
  • Develop system-level features describing MEI and CSCI behavior, performance, and acceptance criteria to guide software implementation.
  • Lead reviews and adjudicate comments made against the features.
  • Document features using a model-based systems engineering approach and an Agile workflow.
Desired Qualifications
  • Experience integrating MIDS terminals via Ethernet interfaces is highly desired.
  • Systems engineering experience supporting Department of Defense programs is highly desired, especially in an Army Air and Missile Defense program.
  • Hands-on experience creating models in Cameo or MagicDraw using SysML and UAF is desired.
  • Experience using Atlassian tools such as Jira and Confluence, and SAFe Agile experience, are a plus.

About the company

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Integration Innovation (i3)

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Integration Innovation (i3) provides technical and engineering services to the U.S. Department of Defense, specializing in missile defense, cybersecurity, and virtual training simulations. The company operates by fulfilling government contracts for systems engineering, software development, and flight operations support to maintain mission-critical military technology. Unlike many competitors, i3 is 100% employee-owned, which fosters a unique internal culture and a high level of commitment to project success. Its goal is to deliver specialized technical solutions for complex defense challenges, such as hypersonic technology and unmanned aerial systems integration.

Company Size

501-1,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Huntsville, Alabama

Founded

2007

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Simplify Jobs

Simplify's Take

What believers are saying

  • MDA awarded i3 a $429 million IDIQ on June 10, 2025, through 2035.
  • Navy interactive courseware IDIQ runs through March 2029, supporting recurring training backlog.
  • The 2026 exempt offering seeks $15 million, signaling hiring, tooling, or acquisition flexibility.

What critics are saying

  • Army hypersonic flight-test work ends March 2026, creating near-term revenue replacement pressure.
  • A single-bid Army award and DoD dependence leave pricing exposed to recompetes.
  • If MDA or Navy ordering slows, i3 loses scale and existential contract concentration emerges.

What makes Integration Innovation (i3) unique

  • i3 pairs Huntsville engineering depth with long-cycle DoD mission work and clearances.
  • Employee ownership since October 2021 reinforces retention across classified defense programs.
  • Prime and subcontract roles span missile defense, aviation training, C5ISR, and cybersecurity.

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Benefits

  • Health Insurance
  • 401(k) Company Match
  • Generous PTO
  • Health and wellness incentives
  • Tuition and certification reimbursement

Growth & Insights and Company News

Headcount

6 month growth

14%

1 year growth

14%

2 year growth

14%
Intelligence360 News
Dec 4th, 2025
Integration Innovation files to raise $15M in exempt securities offering

Integration Innovation has filed a notice with the US Securities and Exchange Commission for an exempt offering to raise $15 million in new funding. The filing was made under Rule 504 or 506 of Regulation D or Section 4(a)(5) of the Securities Act of 1933. Federal securities law requires companies selling securities without registration to file such notices within 15 days after the first sale of securities in the offering. No additional details about the company's business or the funding round were disclosed in the filing.

GovCon Wire
Mar 7th, 2024
Integration Innovation Wins $187M Navy Interactive Courseware Training Support IDIQ

The U.S. Navy has awarded Integration Innovation Inc. a potential five-year, $187.3 million contract to design, build, test and deliver instructor-facilitated and self-directed interactive courseware training products for naval aviation and aircrew ratings.

i3 Corp
Aug 17th, 2022
I3 Corps recognized as one of Huntsville-Madison County’s Best Places to Work 2022

Integration Innovation, Inc. is pleased to announce I3 Corps were named one of Huntsville-Madison County’s Best Places to Work 2022, receiving its seventh award.

i3 Corp
Oct 22nd, 2021
Integration Innovation, Inc. hires Richard Kretzschmar as Chief Executive Officer

Integration Innovation, Inc. is pleased to announce that Richard Kretzschmar has been appointed as Chief Executive Officer (CEO).