Software Integration Engineer III

Reflexive Concepts; Fort Meade (MD); On-site; USD 120,000 - 190,000; Full time

Job summary

Reflexive Concepts seeks a Software Integration Engineer III to maintain and support a Kubernetes-based PaaS within a secure government environment. The role emphasizes platform reliability, security compliance, and scalable cluster performance for mission-critical workloads.

Responsibilities include administering Linux systems, scripting in Bash/Python, managing containerization with Docker/Podman, and deploying Helm charts with Prometheus/Grafana for monitoring.

Qualifications

• Active TS/SCI clearance with polygraph.
• Bachelor's degree in Computer Science or related field with 8+ years of relevant experience in integrating, installing, configuring, upgrading and supporting software in a heterogeneous OS environment.

Skills

Linux CLI

Bash/Python scripting

Kubernetes administration

Kubernetes troubleshooting

Ansible IaC

Helm charts

Prometheus/Grafana

Git

DevOps / Agile

Python REST services

Education

Bachelor's Degree in Computer Science or related field

Active TS/SCI with FS Polygraph

Tools

Docker/Podman

Job description

Reflexive Concepts is seeking a skilled Software Integration Engineer III to join our team!

The Software Integration Engineer will provide administration, maintenance, and operational support for the Platform-as-a-Service (PaaS) component of the CASA Compute Environment (CCE) — a secure, multi-tenant, high-performance, and highly available Kubernetes platform running on Linux-based infrastructure. This role ensures platform reliability, scalability, security compliance, and optimal cluster performance in support of mission and application requirements.

Qualifications:

• Active TS/SCI + FS Polygraph
• Bachelor's Degree in Computer Science or related field and at least eight (8) years of demonstrable experience with integrating, installing, configuring, upgrading, compiling, and supporting COTS/GOTS software in a heterogeneous operating system environment OR
• Five (5) years full time Computer Science directly related work that can be substituted for a degree and at least eight (8) years of demonstrable experience OR
• An industry recognized professional certification, as defined in the TTOs, may substitute as one (1) year experience. A Master's Degree in Computer Science or related field may substitute for two (2) years' experience.

Required Skills + Experience

• Experience using the Linux CLI and Linux suite of tools
• Experience developing scripts using Bash/Python
• Experience with containerization technologies such as Docker/Podman
• Demonstrated experience administrating and monitoring Kubernetes clusters
• Experience troubleshooting and resolving issues related to Kubernetes workloads (ingress, performance, networking, storage, etc.)
• Experience with IaC principles, concepts, and methodologies using automation tools including Ansible
• Experience writing, deploying, and maintaining Helm Charts
• Experience using system monitoring tools such as Prometheus/Grafana
• Experience using Git for source code management, branching strategies, and team collaboration

Desired Skills + Experience

• Experience with the Atlassian Tool Suite (Jira, Confluence, etc.)
• Experience working in a DevOps environment that uses Agile principles and methodologies
• Experience with or willingness to learn development of Python applications (REST services, microservices, etc.)
• CKA (Certified Kubernetes Administrator)