Program-Level Software Systems Engineer

i3; Huntsville (AL); On-site; USD 120,000 - 180,000; Full time

Job summary

Integration Innovation, Inc. (i3) is seeking a Software Systems Engineer in Huntsville, AL to support the Army Air and Missile Defense mission command product office. The role emphasizes MBSE, Agile workflows, and collaboration with contractors and government personnel.

Candidates should have 10+ years in system engineering, a related bachelor's degree, and a Secret clearance. Experience with Link-16 and MIDS integration is highly valued. Willingness to relocate is required.

Qualifications

• U.S. Citizen and resident of Huntsville, AL area.
• Bachelor's degree in engineering, science, or related field.
• 10+ years of system engineering experience.
• Experience in tactical command and control, weapons, sensors, software/hardware or MBSE.
• Solid knowledge of Link-16.
• Experience integrating MIDS terminals via Ethernet.
• Willing to work in Agile/SAFe environments and coordinate with stakeholders.
• Secret security clearance required.

Responsibilities

• Develop system-level features describing MEI and CSCI behavior, performance, and acceptance criteria.
• Lead reviews and adjudicate comments against features.
• Use MBSE to document features within an Agile workflow.
• Collaborate with contractors, government civilians and system operators.

Skills

System engineering

Link-16

MBSE

Agile/SAFe

Team collaboration

DoD experience

Education

Bachelor's degree in engineering, science, or related field

Tools

Cameo

MagicDraw

Jira

Confluence

Job description

Overview i3 is searching for a Software Systems Engineer to join our team. This is a Software System Engineer position supporting the IFMC AMD Mission Command Product Office, a government program office addressing Army Air and Missile Defense systems, with focus on Mission Command systems.

Responsibilities

The candidate in this role will work with both contractors, government civilians and system operators. Tasks include developing system level features that describe MEI and CSCI behavior, performance, and acceptance criteria necessary to provide guidance for software implementation. Tasks also include leading reviews and adjudicating comments made against the features. An MBSE approach is used to document the features using an Agile workflow.

Qualifications Basic Qualifications

The candidate must be a US Citizen and a resident of the Huntsville, AL area or be willing to relocate to the Huntsville, AL area. A bachelor's degree in engineering, science, or related field is required. Candidate should have 10 or more years of system engineering experience. The candidate must have experience in one or more of the following areas: tactical command and control systems, tactical weapons systems, tactical sensor systems, software, hardware, requirements decomposition, or MBSE tools and languages. The candidate must have a solid theoretical and applied knowledge of Link-16. Experience with integration of MIDS terminals via ethernet interfaces is highly desired. Candidate needs to have a record of taking initiative and being a team player in a small team environment. The candidate must be comfortable working as a team member in an Agile environment and be willing to engage various levels of stakeholders to ensure that software is capable of meeting the needs of the intended users. The system engineer must be highly organized with a strong technical background in system engineering principles.

Other Qualifications

System engineering experience in support of DoD 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 are desired. Experience using Atlassian tools such as Jira and Confluence and SAFe Agile experience are a plus.

Security Requirements

Secret security clearance required.

About i3

Founded in 2007, Integration Innovation, Inc. (i3) is headquartered in Huntsville, AL, with additional offices in Orlando, FL, and the National Capital Region. We are a 100% team member-owned mid-tier integrator with over 800 employee-owners, and our culture speaks for itself: we've earned ten Best Places to Work awards, driven by strong employee engagement, transparent leadership, and a genuine commitment to communication.i3 team members operate at the leading edge of national defense across a broad range of technical disciplines, from systems and software engineering to modeling, simulation, and training solutions to cybersecurity, digital engineering, and enterprise IT. We also take products from prototype through production, bringing that same engineering rigor to manufacturing and delivering hardware at scale. For candidates, that means a rare opportunity: the innovation and mission focus of an engineering services company paired with the hands‑on impact of building and delivering real solutions that benefit the Warfighter, all inside an employee‑owned company where your contributions directly shape both the mission and your ownership stake in the business.