Essential Duties & Responsibilities
- Design, implement, and maintain high-quality software aligned with program and project objectives.
- Work independently and collaboratively with the development team to deliver complex features end to end.
- Contribute to containerized, distributed microservice architectures, including development, deployment, and testing.
Required Skills & Experience
- This position requires an active Interim DoD Secret Clearance. Clearance required: Active DoD Secret. Due to the clearance requirement, U.S. Citizenship is required. Candidate must also participate in a background screen.
- 5+ years of professional hands-on experience as a Software Engineer using C++.
- Proficient in Unreal Engine, including language features and best practices.
- Professional experience working in Linux environments.
- Ability to work onsite in Boulder, CO 5 days per week.
- Strong problem-solving, collaboration, communication and attention to detail skills.
Desired Skills & Experience
- Familiarity with other programming languages such as Python or Javascript/Typescript
- Experience with or interest in people management (up to 5 direct reports).
- Experience with Agile software development methodology and tools such as Jira and Confluence.
- Familiarity with Gitlab, Gitlab Runner, Docker, Kubernetes and Helm Charts.
- Domain experience with remote sensing systems or ground architectures, especially experience with OPIR sensor processing.
- Experience working on “badge-less” engineering teams on a large National security contract.
Application Deadline: September 14, 2026
#CJPost
The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement.
At SMX®, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.
We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what’s possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.
SMX is an Equal Opportunity employer including disabilities and veterans.
Selected applicant may be subject to a background investigation and/or education verification.
SMX does not sponsor a new applicant for employment authorization or immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer).
Skills Required
- Active DoD Secret Clearance (must be active)
- U.S. Citizenship
- Participate in background screening/education verification
- 5+ years professional hands-on experience as a Software Engineer using C++
- Proficient in Unreal Engine (language features and best practices)
- Professional experience working in Linux environments
- Ability to work onsite in Boulder, CO five days per week
- Experience contributing to containerized, distributed microservice architectures (development, deployment, testing)
- Familiarity with Python or JavaScript/TypeScript
- Experience or interest in people management (up to 5 direct reports)
- Experience with Agile methodology and tools such as Jira and Confluence
- Familiarity with GitLab, GitLab Runner, Docker, Kubernetes, and Helm Charts
- Domain experience with remote sensing systems or OPIR sensor processing
- Experience on badge-less engineering teams on large national security contracts
SMX Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about SMX and has not been reviewed or approved by SMX.
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Fair & Transparent Compensation — Salary ranges are publicly listed on many postings and a pay transparency statement clarifies how location, contract, and credentials influence offers. This visibility helps set clear expectations around compensation.
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Leave & Time Off Breadth — About four weeks of PTO plus 11 paid federal holidays are highlighted in careers materials. Paid military leave on some roles further expands time‑off coverage.
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Retirement Support — A 401(k) with a dollar‑for‑dollar match on the first 5% and immediate vesting is called out in role descriptions. Traditional and Roth options support long‑term savings.
SMX Insights
What We Do
SMX is a global technology and advanced engineering provider specializing in Cloud Solutions, C5ISR, and Advanced Engineering / IT. Our tradition of delivering innovative, technical solutions dates back to 1995, however, you may know us better by one of our legacy company names: Trident Technologies, Smartronix, Datastrong, or C2S Consulting Group. With the support of OceanSound Partners, our private equity investment sponsor, we began operating as one business starting in 2019 and became SMX in 2021. We operate in close proximity to our clients around the globe and have core locations in Alabama, California, the DC Metro, Florida, Hawaii, Maryland, and Massachusetts. Today, as SMX, we are one team and together empower government and commercial enterprises to become more effective, innovative, and resilient, no matter what challenges they face. SMX offers competitive benefits, excellent work environments, and growth opportunities for our employees while continuing to expand operations and support our communities. We have more than 25 years of rapid and consistent growth with continuous recognition as an employer-of-choice technology company. In addition, we have earned coveted industry quality and business certifications; have a strong commitment to business partnerships, ethics, compliance, and sustainability; and have a multitude of premier contracting vehicles. The combination of these attributes allows us to provide sound, repeatable business solutions yet remain flexible and agile to quickly adapt to specific customer requirements. Committed to ensuring the highest levels of customer satisfaction, SMX is structured around the programs and technologies we support to provide optimal and seamless operations. We have maintained a reputation for excellence, helping to assure the missions of our Department of Defense, Public Sector, Fortune 1000, and other Government and commercial customers.
