Mantis Security Corporation
Reston, Virginia
Job DescriptionJob DescriptionDescription: Mantis Security is a leading specialty firm of high caliber talent who specialize in Cyber Operations, Cyber Defense, Information Assurance, Software Development, DevSecOps, Security Engineering, and Cloud Engineering. We enable and protect our nation's most important IT assets and invest in the long-term career development of every employee! We are currently looking for the next Network Engineer to join our team of experts! Position Overview Support the engineering, implementation, sustainment, and troubleshooting of secure enterprise and mission networks across Cisco, Juniper, HP/Aruba, and Palo Alto environments. This senior-level role emphasizes hands-on network engineering, operational sustainment, infrastructure modernization, and security compliance in complex government networks. Key ResponsibilitiesNetwork Engineering & Operations Engineer and sustain LAN/WAN infrastructure across multi-vendor environments. Support advanced routing, switching, transport, and security technologies in support of enterprise operations. Troubleshoot network issues, perform fault isolation, support incident response, and maintain reliable network performance. Support traffic analysis, system monitoring, bandwidth optimization, and operational improvements across enterprise environments. Work across routing, switching, wireless, and security technologies to support day-to-day operations and long-term stability. Security & Modernization Implement secure network designs aligned with DISA STIGs, ATO requirements, and government security policies. Support firewall, segmentation, and boundary protection efforts, including Palo Alto environments. Support technology refreshes, upgrades, migrations, and modernization initiatives. Develop architecture diagrams, technical documentation, and implementation support materials. Evaluate and recommend improvements to enhance network performance, resilience, and standardization. Network Implementation & Operational Support Execute network changes, maintenance activities, and approved engineering updates. Perform hands-on implementation and sustainment support for infrastructure enhancements and technology refreshes. Troubleshoot and resolve complex issues in coordination with operations teams and vendor support. Support operational readiness and continuity across enterprise and mission network environments. Requirements:Required Qualifications Bachelor's degree in related field or equivalent experience. 10 years of network engineering or network operations experience. Hands-on experience with Cisco, Juniper, HP/Aruba, and Palo Alto technologies. Experience supporting secure enterprise network environments, including routing, transport, and network security technologies. Current DoD 8570 IAT II certification required. Current CCNA (or equivalent) required. Active TS/SCI with ability to obtain and maintain a CI Polygraph. Preferred Qualifications CCNP, JNCIS/JNCIP, Palo Alto, Aruba, or similar advanced certifications preferred. Experience in DoD or Intelligence Community environments. Experience supporting TAC, NOC, transport engineering, or enterprise network operations.
Job DescriptionJob DescriptionDescription: Mantis Security is a leading specialty firm of high caliber talent who specialize in Cyber Operations, Cyber Defense, Information Assurance, Software Development, DevSecOps, Security Engineering, and Cloud Engineering. We enable and protect our nation's most important IT assets and invest in the long-term career development of every employee! We are currently looking for the next Network Engineer to join our team of experts! Position Overview Support the engineering, implementation, sustainment, and troubleshooting of secure enterprise and mission networks across Cisco, Juniper, HP/Aruba, and Palo Alto environments. This senior-level role emphasizes hands-on network engineering, operational sustainment, infrastructure modernization, and security compliance in complex government networks. Key ResponsibilitiesNetwork Engineering & Operations Engineer and sustain LAN/WAN infrastructure across multi-vendor environments. Support advanced routing, switching, transport, and security technologies in support of enterprise operations. Troubleshoot network issues, perform fault isolation, support incident response, and maintain reliable network performance. Support traffic analysis, system monitoring, bandwidth optimization, and operational improvements across enterprise environments. Work across routing, switching, wireless, and security technologies to support day-to-day operations and long-term stability. Security & Modernization Implement secure network designs aligned with DISA STIGs, ATO requirements, and government security policies. Support firewall, segmentation, and boundary protection efforts, including Palo Alto environments. Support technology refreshes, upgrades, migrations, and modernization initiatives. Develop architecture diagrams, technical documentation, and implementation support materials. Evaluate and recommend improvements to enhance network performance, resilience, and standardization. Network Implementation & Operational Support Execute network changes, maintenance activities, and approved engineering updates. Perform hands-on implementation and sustainment support for infrastructure enhancements and technology refreshes. Troubleshoot and resolve complex issues in coordination with operations teams and vendor support. Support operational readiness and continuity across enterprise and mission network environments. Requirements:Required Qualifications Bachelor's degree in related field or equivalent experience. 10 years of network engineering or network operations experience. Hands-on experience with Cisco, Juniper, HP/Aruba, and Palo Alto technologies. Experience supporting secure enterprise network environments, including routing, transport, and network security technologies. Current DoD 8570 IAT II certification required. Current CCNA (or equivalent) required. Active TS/SCI with ability to obtain and maintain a CI Polygraph. Preferred Qualifications CCNP, JNCIS/JNCIP, Palo Alto, Aruba, or similar advanced certifications preferred. Experience in DoD or Intelligence Community environments. Experience supporting TAC, NOC, transport engineering, or enterprise network operations.
Mantis Security Corporation
Herndon, Virginia
Job DescriptionJob DescriptionDescription: Mantis Security is a leading specialty firm of high caliber talent who specialize in Cyber Operations, Cyber Defense, Information Assurance, Software Development, DevSecOps, Security Engineering, and Cloud Engineering. We enable and protect our nation's most important IT assets and invest in the long-term career development of every employee! We are currently looking for the next Software Engineer to join our team of experts! About The Role Seeking an experienced UI engineer with strong API development skills to build and enhance analytic applications in an Agile DevSecOps environment. You will design, develop, test, and optimize web services and modern JavaScript-based UIs using REST, JSON, and containerized workflows. Responsibilities Experienced in front-end applications using modern JavaScript frameworks (Vue.js, React). Build and integrate RESTful APIs; apply API design best practices and data governance principles. Work across the DevSecOps pipeline (JIRA, Git, Jenkins, SonarQube, Fortify, Artifactory). Use monitoring and performance tools such as AppDynamics, CloudWatch, and Splunk. Contribute to test-driven development and Agile sprint workflows. Requirements: Required Qualifications A bachelor's degree and 5 years of relevant experience OR a Master's degree with 3 years of relevant experience OR an experience may be considered in lieu of the degree requirement Strong experience with JavaScript, Python, and Agile development. Proficiency in Vue.js or React. Experience with Node.js and Neo4j. Active TS/SCI with CI polygraph Desired Qualifications Knowledge of PostgreSQL and Vue.js, React Knowledge of Cloud/AWS experience. Experience with OpenShift or Kubernetes.
Job DescriptionJob DescriptionDescription: Mantis Security is a leading specialty firm of high caliber talent who specialize in Cyber Operations, Cyber Defense, Information Assurance, Software Development, DevSecOps, Security Engineering, and Cloud Engineering. We enable and protect our nation's most important IT assets and invest in the long-term career development of every employee! We are currently looking for the next Software Engineer to join our team of experts! About The Role Seeking an experienced UI engineer with strong API development skills to build and enhance analytic applications in an Agile DevSecOps environment. You will design, develop, test, and optimize web services and modern JavaScript-based UIs using REST, JSON, and containerized workflows. Responsibilities Experienced in front-end applications using modern JavaScript frameworks (Vue.js, React). Build and integrate RESTful APIs; apply API design best practices and data governance principles. Work across the DevSecOps pipeline (JIRA, Git, Jenkins, SonarQube, Fortify, Artifactory). Use monitoring and performance tools such as AppDynamics, CloudWatch, and Splunk. Contribute to test-driven development and Agile sprint workflows. Requirements: Required Qualifications A bachelor's degree and 5 years of relevant experience OR a Master's degree with 3 years of relevant experience OR an experience may be considered in lieu of the degree requirement Strong experience with JavaScript, Python, and Agile development. Proficiency in Vue.js or React. Experience with Node.js and Neo4j. Active TS/SCI with CI polygraph Desired Qualifications Knowledge of PostgreSQL and Vue.js, React Knowledge of Cloud/AWS experience. Experience with OpenShift or Kubernetes.