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Sr. Software Platform Engineer (5005) (US, DC, Tampa, San Antonio) (Secret)at SMX(View all jobs) (https://www.smxtech.com/careers/)

San Antonio, TX; Tampa, FL; United States; Washington, DC

The SMX Space and Intelligence (S&I) Business Unit (BU) is on the ground floor across the future remote sensing ecosystem for all orbital regimes (LEO, MEO, HEO, and GEO). We build, integrate, and operationally support our customer's emerging space-ground systems to include real-time data processing frameworks, sensor data processing, and data visualization. We are teamed with the most passionate companies in industry, dedicated to bringing best-of-breed capabilities to address our customers most pressing needs.

We have an immediate opportunity for an Senior Software Platform Engineer who is excited to apply their talents to our customer's challenging project and one who will thrive in a collaborative environment. The ideal candidate is a recognized professional with hands-on expertise and an excellent understanding of engineering processes supporting large, National Defense, Agile software development programs.

Work will be performed in Colorado. Please apply to this role if you have interest in relocating to Colorado.

Essential Duties & Responsibilities

• Serve as a platform engineering contributor within an integration team at the customer site

• Support the integration and deployment of applications into containerized PaaS environments

• Design and implement deployment strategies across development, test, and operational systems

• Build, maintain, and improve CI/CD pipelines supporting secure and repeatable application delivery

• Integrate development tools for:

• Artifact management

• Automated testing

• Code quality and security analysis

• Troubleshoot deployed applications and platform services; perform root-cause analysis

• Work closely with other engineers and integration team members to resolve technical issues

• Interface with customer stakeholders to support platform operations and application onboarding

• Contribute to platform documentation, standards, and best practices

• Participate in Agile ceremonies and technical discussions

• Support continuous improvement, automation, and platform reliability efforts

• Perform other duties as assigned

Required Skills & Experience

• Secret clearance

• Bachelor’s degree in Computer Science, Engineering, Mathematics, or a related technical field (or equivalent experience)

• 8+ years of professional experience in platform engineering, DevOps, or a related role

• 3+ years of experience administering Linux systems

• 2+ years of experience with containerization technologies (Docker, Kubernetes)

• 2+ years of experience building and maintaining CI/CD pipelines

• Experience with artifact management and version control systems

• Strong troubleshooting and problem-solving skills in distributed systems

• Ability to work 100% on-site at a customer location

• Strong verbal and written communication skills

• Detail-oriented and able to work independently while collaborating with a team

Desired Skills & Experience

• Experience with GitLab CI/CD or similar CI/CD platforms

• Experience creating and maintaining Helm charts

• Experience with artifact repositories such as Artifactory

• Experience integrating systems in government or secure environments

• Familiarity with platform security and compliance considerations

• Experience mentoring or supporting junior engineers

• Previous experience in customer-facing technical roles

Application Deadline: March 30, 2026

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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.

The proposed salary for this position is:

$158,500—$247,600 USD

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).