reflexiveconcepts.catsone.com

Software Engineer III

ABAC Agile Ansible Atlassian Automation +26 skills

Software Engineer implementing access controls and permission mechanisms for a government agency's High-Performance Computing (HPC) systems — building RBAC/ABAC, identity federation/SSO with Keycloak, and secrets management with HashiCorp Vault in Linux. Uses Python, Bash, Ansible, containers, and GitLab CI. Requires active TS/SCI with FS polygraph.

NewBe an early applicant North AmericaSenior

Senior Software Engineer 3

API Assembly Bash Cissp C++ +7 skills

Senior software engineer at a cleared defense contractor in Linthicum, MD: leads technical design and integration testing of government software systems and supports testing, documentation, and requirements derivation. Desired work leans cyber — malware analysis, reverse engineering, and exploit development. Requires 11 years of experience and an active TS/SCI with full-scope polygraph.

Database Engineer II

Ansible Automation AWS Azure Bash +20 skills

Database Engineer II supporting the DEFSMAC team on-site in Annapolis Junction, MD: designing and tuning PostgreSQL/PostGIS schemas and queries, maintaining HA and replication, monitoring performance, and automating tasks with Bash/Python. Requires an in-scope polygraph (within 7 years) and five years of DBE experience.

Software Engineer III

Ansible Atlassian Bash CI/CD CLI +21 skills

Software Engineer III supporting the GHOSTGEM program at Fort Meade, MD: developing, sustaining, and troubleshooting mission software by building Java and Spring-based services, integrating COTS/FOSS components, and deploying containerized workloads to Kubernetes with Helm. Requires an active TS/SCI clearance with full-scope polygraph.

NewBe an early applicant North AmericaLead

DevOps Engineer III

ActiveMQ Agile Ansible Automation AWS +32 skills

DevOps Engineer III on-site in Columbia, MD: builds release pipelines, automates deployments, and serves as technical lead on an Agile team managing Linux/AWS platform infrastructure. Core stack includes Git, Jenkins/Bamboo, Docker, Kubernetes, Puppet/Ansible, MySQL, and Elasticsearch.

Systems Engineer I

Atlassian Automation Bash Cisco CLI +11 skills

Systems Engineer I supporting a closed government system across multiple sites: administering and automating Linux servers, keeping them compliant with the Agency's STE/STN security requirements, and maintaining technical documentation. Core stack is Linux CLI, Bash/Python automation, Docker/Podman containers, and basic Cisco switching; requires TS/SCI with FS polygraph.

NewBe an early applicant North AmericaJunior

Junior Software Developer

Agile AWS CI/CD Containerization Django +9 skills

Junior software developer joining a three-person team to build, maintain, and monitor the Tracking Repository for Incoming Orders application — writing features, fixing bugs, and managing Docker deployments. Stack: Python, Django, VueJS, JavaScript, Java, AWS. Requires an active TS/SCI clearance with Full Scope Polygraph.

NewBe an early applicant RemoteNorth America

DevOps Engineer IV

Ansible Argo CD Athena AWS CI/CD +21 skills

DevOps Engineer IV supporting an intelligence-community program: builds Infrastructure as Code with Python, Ansible, and Terraform; runs Kubernetes, Docker, and NiFi; manages GitLab CI/CD with Argo CD on AWS; and hardens/complies RHEL systems. Work is on-site in a SCIF; requires active TS/SCI with CI polygraph and on-call rotation.

NewBe an early applicant North AmericaFull-time

Software Integration Engineer III

Ansible Automation Bash CI/CD CLI +12 skills

Maintains and troubleshoots containerized services in the CASA Compute Environment (CCE), a Kubernetes-based SaaS catalog for government mission customers, while upgrading services, assisting users, and developing new features. Core stack: Linux, Python, Java, Bash, Docker, Ansible, GitLab CI. Requires TS/SCI with FS Polygraph; on-site at Fort Meade.

Software Engineer II

Ansible Atlassian Bash CI/CD CLI +23 skills

DevOps-focused Software Engineer II at Reflexive Concepts in Fort Meade, MD, who monitors and sustains live production systems: diagnosing service disruptions, troubleshooting, and performing corrective actions with dev/ops teams. Core stack: Linux, Bash, Python, Docker/Kubernetes, GitLab CI, ELK/Prometheus/Grafana. Requires active TS/SCI with full-scope polygraph.

Software Engineer III

Atlassian AWS CI/CD CLI Cloud +34 skills

Designs, develops, deploys, and supports Retrieval-Augmented Generation (RAG) solutions for a mission-critical customer in a high-performance computing Linux environment. Day-to-day work centers on Python, LLM/RAG pipelines, Docker/Kubernetes/Helm containerization, GitLab CI/CD, and Prometheus/Grafana observability; requires an active TS/SCI with FS Polygraph.

NewBe an early applicant North AmericaFull-time

Software Integration Engineer III

Ansible Atlassian Automation Bash Big Data +17 skills

Customer-facing operations engineer for the HPDA intelligence mission: triages incoming requests, scopes technical requirements, and provides standby support. The daily stack is hands-on Linux administration, Spark-based big data processing, and containerized services deployed on Kubernetes.

Cloud Software Engineer III