reflexiveconcepts.catsone.com

System Administrator III

Ansible Atlassian Automation Bash Big Data +16 skills

System Administrator III at Reflexive Concepts to sustain a large-scale Linux cluster supporting a critical (cleared) government mission at Fort Meade: installing COTS/GOTS/FOSS software, day-to-day operations, monitoring, security compliance, and automation with Ansible/SaltStack. Requires an active TS/SCI with FS polygraph and Security+.

NewBe an early applicant North AmericaFull-time

Software Integration Engineer IV

Ansible Atlassian Automation Bash CLI +12 skills

Leads test, evaluation, integration, and troubleshooting of the high-performance computing (HPC) software stack in a heterogeneous OS environment, combining HPC system administration with infrastructure-as-code automation. Work is on-site in Annapolis Junction, MD and requires Linux, Bash/Python, Slurm, and an active TS/SCI with full-scope polygraph.

Front-End Developer / 508 Compliance Specialist

Accessibility Agile CI/CD Cloud Confluence +11 skills

Front-end developer with a Section 508 accessibility focus: builds and maintains accessible UI components with modern JavaScript (Vue preferred) to WCAG 2.1/2.2 AA standards, tests and remediates using JAWS screen readers and tools like axe/WAVE/Pa11y, documents audits, and integrates accessibility checks into CI/CD for a government-agency team.

Software Engineer I

Analytics AWS Confluence Git GitLab +7 skills

On-site Java software engineer at Reflexive Concepts in Annapolis Junction, MD supporting the Digital Network Analytics (DNA) mission. Day to day: Java development, requirements gathering and documentation, plus tooling like Confluence/JIRA, Maven, GitLab, with AWS, MapReduce, JUnit, Python and Linux as nice-to-haves.

DevOps Engineer

Agile Ansible Atlassian Automation AWS +12 skills

Reflexive Concepts is hiring a DevOps Engineer in Laurel, MD to support cloud migration and operations on a cleared (TS/SCI + Full Scope Polygraph) program. Day-to-day work spans AWS cloud transitions, automation with Ansible and Terraform, CI/CD with Jenkins and GitLab, patching, and containerized deployments.

NewBe an early applicant North AmericaSenior

Full Stack Developer

Agile AWS Bash Confluence C++ +13 skills

Reflexive Concepts is hiring a Full Stack Developer (mid/senior preferred) to enhance, maintain, and sustain a high-performance geospatial collaboration tool that serves as a repository for finished intelligence products. The stack includes Java/Spring Boot, C/C++, Python/Bash/PHP, Tomcat, Elasticsearch/Solr, Oracle, and Linux, with rotating 24/7 on-call duty.

NewBe an early applicant North AmericaJunior

Junior Systems Engineer

Acceptance Criteria Agile Cloud Confluence Java +7 skills

Junior systems engineer at Reflexive Concepts in Annapolis Junction, MD, supporting a mission-critical government system: eliciting and documenting requirements, writing Jira user stories, grooming sprint backlogs, running initial functional testing, and demoing to the government customer within an Agile team using Jira/Confluence, Java/JavaScript, and RESTful microservices.

Software Engineer II

Agile Analytics Ansible Atlassian Automation +22 skills

Builds and maintains system-management infrastructure software and services for High-Performance Computing (HPC) systems in a Linux environment, supporting Centralized UIs & Dashboards. Automates operational tasks with Python and Bash and delivers via GitLab CI on an Agile team. Requires an active TS/SCI with full-scope polygraph.

Software Engineer III

Ansible Atlassian Automation Bash CI/CD +13 skills

Designs, develops, and maintains tools and services supporting the Atlassian suite (Jira, Confluence) for mission customers at Fort Meade, MD. Day-to-day is Python/Java development plus Bash/PHP automation, IaC with Ansible, GitLab CI, and Docker. Requires an active TS/SCI with FS Polygraph.

Software Engineer II

Agile Ansible Atlassian Authentication Automation +18 skills

Software Engineer implementing access control and permission solutions that secure high-performance computing (HPC) resources for an intelligence-community program in Annapolis Junction, MD. Day-to-day work spans Python and Rust development, authentication/authorization logic, and Linux administration, requiring an active TS/SCI with full-scope polygraph.

NewBe an early applicant North AmericaSenior

Senior Systems Engineer

Acceptance Criteria Agile AWS CI/CD Cloud +5 skills

Senior systems engineer on an Agile team supporting a suite of government applications built on the Pega low-code platform: analyzing and documenting requirements, writing user stories in Jira, coordinating releases/migrations, and partnering with cybersecurity and infrastructure teams. Requires an active TS/SCI with polygraph; based in Annapolis Junction, MD.

NewBe an early applicant North AmericaFull-time

Software Integration Engineer III

Agile Ansible Atlassian Automation CLI +19 skills

Integration engineer delivering fast, secure software deployments across high-performance computing environments using Ansible, Helm, Kubernetes, Docker, and Python, while acting as Tier 3 escalation lead performing root cause analysis and building automated remediation. Requires an active TS/SCI with full-scope polygraph; on-site in Annapolis Junction, MD.

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.

System Engineer III

AWS Confluence Data Pipelines Docker Elasticsearch +13 skills

Watch Desk Engineer monitoring and maintaining DoD mission systems 24x7: tracking health, performance, and data pipelines, handling incidents and recovery, plus producing systems engineering docs (DoDAF, requirements, interfaces). Core stack: Linux, Docker, Kubernetes, AWS, NiFi, Elasticsearch, and monitoring tools like Grafana/Prometheus.

DevOps Kubernetes Support

Ansible API Automation CI/CD Confluence +25 skills

DevOps engineer supporting Reflexive Concepts' Zero Trust ICAM program for DoD customers: maintaining CI/CD pipelines, deploying and troubleshooting containerized workloads in Kubernetes and Linux environments, and keeping deployment configs, monitoring, and release documentation in order under senior engineers' guidance.

System Administrator I

Ansible Bash CentOS Confluence Git +13 skills

Level 1 System Administrator monitoring, troubleshooting, and sustaining Linux-based systems for a national security mission (Y4 Desktop Services) at Fort Meade, MD. Core work is RHEL-family Linux admin, BASH scripting, and TCP/IP networking; requires DoD 8570 IAT II certification and an active TS/SCI with full-scope polygraph.

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