reflexiveconcepts.catsone.com

NewBe an early applicant North AmericaMiddle

Software Engineer II (Tester)

Accessibility API API Testing Automation Confluence +6 skills

Mid-level test engineer on the AdmitIT product team in Hanover, MD: designs and executes manual and automated test plans (functional, regression, UAT, API, Section 508 accessibility, role-based), tracks defects, and maintains QA documentation using Selenium/Cypress, GitLab, JIRA, and Confluence.

System Administrator

Ansible Automation AWS Bash CI/CD +16 skills

System administrator on a cleared government program: day-to-day operations, monitoring, and Tier 1/2 support for enterprise Windows and Linux infrastructure, plus modernization work spanning on-prem, hybrid, and AWS cloud using Terraform, Ansible, Docker, and CI/CD tooling. Requires active TS/SCI with Full Scope Polygraph.

DevOps Engineer

Ansible AWS CI/CD DevOps Docker +10 skills

DevOps Engineer at Reflexive Concepts in Annapolis Junction, MD, deploying and troubleshooting distributed web applications: installing/configuring complex software, managing network servers, and monitoring performance. Core stack is Linux, AWS, Docker/Swarm, Terraform, Ansible, and GitLab CI/CD, with a rotating on-call pager week every 4-6 weeks.

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.

Software Engineer II

Agile Analytics Angular Ansible API +31 skills

Backend Software Engineer II on Reflexive Concepts' Data Analysis & Visualization team, building Java/Spring Boot backend services and RESTful APIs that turn mission data into usable analytics. Day-to-day work spans system design, relational schema work, code reviews, and Agile delivery in Linux environments, on-site in Annapolis Junction, MD.

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 HybridNorth America

Platform Engineer (DevOps / Full-Stack Hybrid)

Angular Ansible AWS CI/CD Cloud +16 skills

Reflexive Concepts is hiring a hybrid DevOps/full-stack Platform Engineer to lead deployment of a production system across three network environments using Kubernetes and Docker, while also modifying Java Spring back-end and Vue.js front-end components and building a repeatable CI/CD deployment pipeline.

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 II

CI/CD Docker GitLab HTML Integration Testing +4 skills

Software Engineer II on the JBlocks team in Hanover, MD, implementing new data-labeling and marking capabilities across the full software development lifecycle. Core stack is Java with unit/integration testing, Docker containerization, GitLab CI/CD, and Linux, in a policy-driven environment (ISM, CAPCO, CUI).

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

Agile Angular Atlassian AWS Cloud +16 skills

Software Engineer II supporting a portfolio of COTS/GOTS government enterprise applications in Laurel, MD: maintaining and modernizing Java/Spring Boot backends, JavaScript/Angular frontends, and Oracle databases, with deployments in Linux/Docker/AWS environments. Requires an active TS/SCI clearance with 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 Administrator

Active Directory Ccna Linux Nessus Networking +3 skills

Reflexive Concepts is hiring a Senior Systems Administrator in Linthicum, MD to support secure enclave development networks. Day-to-day work spans Windows Server/Active Directory, VMware virtualization, networking, NetApp storage, and security compliance (RMF, ACAS); an active TS/SCI clearance with full-scope polygraph is required.

System Engineer II

DevOps Kubernetes Linux Rancher Virtualization +1 skills

Reflexive Concepts is hiring a hands-on, DevOps-minded System Engineer for its Analytic Mission Integration (AMI) team in Annapolis Junction, MD. Day to day they administer and troubleshoot Linux, NetApp storage, VMware/vSphere, and Rancher-managed Kubernetes, while writing systems engineering documentation and managing requirements for mission systems.

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