/

Search jobs inside your AI agent. Connect over MCP — free, no account needed to search.

reflexiveconcepts.catsone.com

Jobs Hiring Closed Discussion

58 jobs

Posted Sort

58 jobs Posted Sort

reflexiveconcepts.catsone.com

System Engineer III

NewBe an early applicant North America

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.

AWS Confluence Data Pipelines Docker Elasticsearch +13 skills

reflexiveconcepts.catsone.com

DevOps Kubernetes Support

NewBe an early applicant North America

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.

Ansible API Automation CI/CD Confluence +25 skills

reflexiveconcepts.catsone.com

Software Engineer II

NewBe an early applicant North America

Design, develop, integrate, test, and maintain highly available enterprise web services for an Identity, Credential, and Access Management (ICAM) solution supporting Attribute-Based Access Control, integrating with a COTS LDAP directory and other microservices. Core stack: Java, REST, Git/Maven, JUnit, GitLab CI/CD, Docker/Kubernetes.

Authentication CI/CD Docker Git GitLab +10 skills

reflexiveconcepts.catsone.com

Senior Software Engineer 3

NewBe an early applicant North AmericaSenior

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.

API Assembly Bash Cissp C++ +7 skills

reflexiveconcepts.catsone.com

Database Engineer II

NewBe an early applicant North America

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.

Ansible Automation AWS Azure Bash +20 skills

reflexiveconcepts.catsone.com

System Administrator II

NewBe an early applicant North America

System Administrator supporting the DEFSMAC team in Annapolis Junction, MD: managing and monitoring Linux servers, networks, and cloud environments, building CI/CD pipelines, and automating with tools like Ansible and Terraform. Requires 10 years of SA experience (degree substitutable) and an in-scope polygraph within 7 years.

Ansible CI/CD Cloud DevOps Firewall +2 skills

reflexiveconcepts.catsone.com

System Administrator I

NewBe an early applicant North America

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.

Ansible Bash CentOS Confluence Git +13 skills

reflexiveconcepts.catsone.com

Full Stack Developer/Integrator

NewBe an early applicant North America

Reflexive Concepts is hiring a Full Stack Developer/Integrator in Hanover, MD to build and support ICAM (identity, credential, and access management) products within a Zero Trust architecture. Daily work centers on Java/Spring Boot back ends, ReactJS front ends, Docker/Kubernetes, AWS, and REST/OAuth 2.0 integrations.

Accessibility Authentication AWS Azure Bash +22 skills

reflexiveconcepts.catsone.com

Software Engineer III

NewBe an early applicant North America

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.

Ansible Atlassian Bash CI/CD CLI +21 skills

reflexiveconcepts.catsone.com

DevOps Engineer III

NewBe an early applicant North AmericaLead

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.

ActiveMQ Agile Ansible Automation AWS +32 skills

reflexiveconcepts.catsone.com

Signals Software Engineer II

NewBe an early applicant North America

Reflexive Concepts is hiring a Signals Software Engineer II in Columbia, MD to develop, maintain, and enhance RF signal processing software (detectors, demodulators, protocol processors) using C++, Java, and advanced Linux, including complex DSP algorithms. Requires 7+ years of signals experience and a polygraph within 5 years.

C++ Java Linux Signal Processing

reflexiveconcepts.catsone.com

Systems Engineer I

NewBe an early applicant North America

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.

Atlassian Automation Bash Cisco CLI +11 skills

reflexiveconcepts.catsone.com

Network Engineer III

NewBe an early applicant North America

Reflexive Concepts is hiring a Network Engineer III in Fort Meade, MD to design and deploy scalable network solutions, install and maintain routers, switches, and firewalls, harden network security, monitor traffic health, and maintain network documentation. Requires 12 years of experience, recent hands-on network engineering, Linux proficiency, and CCNA/CCNP plus Security+ certifications.

Ansible Ccna CCNP Cisco Firewall +4 skills

reflexiveconcepts.catsone.com

Software Integration Engineer III

NewBe an early applicant North AmericaFull-time

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.

Ansible Automation Bash CI/CD CLI +12 skills

reflexiveconcepts.catsone.com

Software Engineer II

NewBe an early applicant North America

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.

Ansible Atlassian Bash CI/CD CLI +23 skills

reflexiveconcepts.catsone.com

Software Engineer III

NewBe an early applicant North America

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.

Atlassian AWS CI/CD CLI Cloud +34 skills

reflexiveconcepts.catsone.com

Software Integration Engineer III

NewBe an early applicant North AmericaFull-time

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.

Ansible Atlassian Automation Bash Big Data +17 skills

reflexiveconcepts.catsone.com

Cloud Software Engineer III

NewBe an early applicant North America

Builds, maintains, and enhances Big-Data cloud systems for intelligence community programs, covering back-end processing, analysis, and indexing using Java, the Hadoop ecosystem (MapReduce, HDFS, HBase), distributed computing, and AWS. Requires an active TS/SCI clearance with full-scope polygraph; on-site in Annapolis Junction, MD.

Analytics Angular Authentication Avro AWS +30 skills