Software Integration Engineer - TS/SCI with Poly

Position Title: Software Integration Engineer (SIE) Level 3Location: Annapolis Junction, MDClearance Required: TS/SCI with PolyEmployment Type: Full-time 

Position Overview

We are seeking an experienced Software Integration Engineer (SIE) Level 3 to join our team supporting a mission-critical, large-scale, on-premises Kubernetes infrastructure. This role focuses on integrating, configuring, maintaining, and enhancing COTS/GOTS software components in a high-performance computing environment that supports multiple tenants and applications across classified networks.

You will work closely with DevOps, Security, and Application teams to ensure seamless integration of new services and enforce best practices in automation, monitoring, and containerized infrastructure.

Key Responsibilities

• Install, configure, compile, and support COTS/GOTS software across heterogeneous OS environments

• Administer and troubleshoot Kubernetes workloads, networking, ingress, and persistent storage

• Maintain and optimize a multi-tenant, on-prem Kubernetes cluster used in mission-critical operations

• Develop and maintain automation scripts using Bash and Python

• Implement Infrastructure as Code (IaC) solutions using Helm and Ansible

• Monitor system and software performance using tools like Prometheus and Grafana

• Collaborate cross-functionally to support DevSecOps practices, CI/CD pipelines, and secure deployment workflows

• Generate and maintain documentation for full software stack and integration processes

• Provide ownership for integration and sustainment of HPC software tools

Minimum Qualifications

• Bachelor’s degree in Computer Science or related field and 8+ years of relevant experience

  • OR 5+ years of directly related experience in Computer Science (in lieu of a degree) and 8+ years of relevant experience

  • OR Industry certifications (e.g., CKA) may substitute for one year of experience

  • OR Master’s degree in a related field may substitute for up to two years of experience

Must have experience in:

• Linux CLI and basic system administration

• Scripting with Bash and Python

• Kubernetes cluster administration and troubleshooting

• Docker or similar containerization technologies

• Infrastructure automation tools (e.g., Ansible, Helm)

• Monitoring tools such as Prometheus and Grafana

• Git-based source control and team collaboration workflows

Desired Skills

• Certified Kubernetes Administrator (CKA)

• Familiarity with the Atlassian tool suite (JIRA, Confluence)

• Experience with CI/CD pipeline design and maintenance

• Strong understanding of DevSecOps principles and secure code deployment

• Ability to adapt in a fast-paced, evolving technical environment

Our client offers a highly competitive and comprehensive benefits package designed to support your personal and professional growth, while promoting a healthy work-life balance. Benefits include:

• 100% Employer-Paid Health, Dental, and Vision Insurance – Full coverage for employees

• Zero Vesting 401(k) Plan with 10% Company Contribution – Immediate access to all contributions

• 31 Days of Paid Time Off – Includes vacation, personal time, and all federal holidays

• Student Loan Repayment Assistance – Helping you pay down your educational debt

• Unlimited Certification & Training Support – Invest in your professional development

• Flexible Work Environment – Remote work options and flexible scheduling available

• Multiple Incentive Bonuses – Performance-based rewards throughout the year

• Exclusive Company Memberships – Access to curated memberships and employee perks

This package reflects our client’s commitment to empowering their employees with meaningful benefits and recognizing outstanding performance.

We are an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, or any other protected status under applicable law.