UNKNOWN

ADAPTED_NOW

Bachelor’s degree in Engineering, Physics, or another related scientific discipline and a minimum of 4 years of prior relevant experience; Or, a Graduate degree and a minimum of 2 years of prior related experience; Or, in lieu of a degree, a minimum of 8 years of prior related experience. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

YEAR

L3Harris Technologies

EO/IR Systems Engineer

TMP PX

Join a team where innovation meets mission, our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide. Support day-to-day operation of AWS platform services, including monitoring, logging, access control, patching, backup, and configuration management.

Credence

Cloud Platform Engineer- Entry Level

Credence Mgmt Solutions

Experience developing, maintaining, or troubleshooting CI/CD pipelines using GitLab CI/CD, Jenkins, GitHub Actions, AWS CodePipeline, or similar platforms. Ability to troubleshoot complex technical issues across infrastructure, deployments, networking, permissions, and containerized workloads.

Cloud Platform Engineer

FEED

Develop and enhance server-side frameworks and modules for a web-based Learning Management System (LMS), including Java Servlets , JSPs , Tomcat integration, data parsing, and backend workflow logic. When program needs and funding align, you may also have opportunities to contribute to other Tactical Signature Guidance (TSG) systems —providing exposure to state-of-the-art technologies that directly support the development of advanced sonar tactical decision aids (TDAs) .

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Software Engineer (Learning Management System – Mid-Level)

Appcast Exclusive 1

The ideal candidate is a hands-on engineer who has a deep system-level understanding of what it takes for robots to operate in unstructured environments, handle dynamic obstacles, safely work around people, and work reliably with limited networking and power infrastructure. Experience developing cloud-connected robotics software workflows (e.g., Azure, Azure DevOps, AWS), web-based operator interfaces (e.g., React, JavaScript/TypeScript), and real-time video-streaming pipelines (e.g., GStreamer).

HITT Contracting

Robotics Software Engineer - Construction

Strong communication and troubleshooting skills with the ability to work directly with application owners, platform engineering teams, infrastructure teams, and cybersecurity teams to investigate issues and develop practical remediation paths. This role focuses on enterprise endpoint security operations, with a primary emphasis on implementing and managing application whitelisting/application control technologies and supporting Microsoft Defender security solutions .

Every day, System One focuses on services and solutions that require a high degree of specialization, in-demand technical skills, and large-scale operational expertise. We are essential partners to those on the front lines of our nation’s most critical infrastructure, technology, and life sciences initiatives. 
Founded more than 40 years ago as a staffing partner to the engineering industry, today System One is a diversified organization operating in over 50 locations and putting more than 9,000 people to work in the United States, Canada, and the United Kingdom.

System One

Cyber Security Engineer

HOUR

This role bridges full-stack software development with automated security gates, enforcing compliance with DoDI 8430 (Accelerated Mission Software Development), the DoD Software Modernization Strategy, and Continuous Authorization to Operate (cATO) criteria. cATO & Governance Automation - Implement automated policy-as-code to satisfy continuous compliance gates under DoDI 8430 and OSD CIO cATO requirements (Real-time Visibility, Active Cyber Defense, Pipeline Attestation).

Sr DevSecOps Engineer

Strong experience configuring, administering, and troubleshooting DevSecOps tools, including CloudBees Jenkins, GitHub Enterprise, SonarQube, JFrog Artifactory, and security scanning solutions. Execute the Cloud-to-AGC (C2AGC) pre-migration checklist, evaluating site prerequisites, organizational readiness, administrative access, and AGC-specific architectural requirements.

Cloud DevOps Engineer

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Jobot

Voice System Test Engineer (FAA)

We are seeking a System Test Engineer with strong experience in hardware and software system-level testing, preferably within mission-critical communications, Air Traffic Management (ATM), telecommunications, or advanced networking environments. This is an excellent opportunity to work with sophisticated telecommunications, networking, and Air Traffic Management systems while collaborating with engineering teams, customers, and technical stakeholders.

System Test Engineer - VoIP systems

Join a team working on complex, mission-critical technology with direct exposure to Air Traffic Management systems, VoIP, telecommunications, networking, and hardware/software integration. The ideal candidate will have a proven track record in testing Mission Critical and/or Air Traffic Management (ATM) systems, network infrastructure, and radio-telephone communications software and hardware elements.

Voice (VoIP) Systems Test Engineer (FAA)

Experience with FAA or other safety/mission-critical systems, Linux and Windows environments, network-analysis tools such as Wireshark, vulnerability/security testing tools, requirements traceability, Jira or similar defect-management systems, and formal FAT/SAT or customer acceptance testing would be highly desirable. With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential.

System Security Test Engineer (FAA)

partner with an established DNS Subject Matter Expert (SME) to lead technical initiatives, troubleshoot complex network and DNS issues, and guide the evolution of secure, resilient enterprise DNS services. Required Qualifications 10+ years of network engineering experience, including hands-on troubleshooting and optimization of large enterprise or service-provider networks.

DNS SME / Sr. Network Engineer

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

System Performance Test Engineer (VoIP)

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. We work closely with stakeholders at every level of the organization—from executive leadership to engineering and operations teams—to provide scalable, resilient, and secure technology solutions that solve complex business and operational challenges.

Principal Systems Engineer

A Bachelor’s degree in a Qualified Engineering Field or a related discipline from an accredited college or university plus six (6) years of experience in system engineering (OR) An Associate's Degree, a High School Diploma or GED plus ten (10) years of general system engineering experience (OR) A Master’s degree in a Qualified Engineering Field or a related discipline from an accredited college or university plus four (4) years of systems engineering experience (OR) A PhD in a Qualified Engineering Field or a related discipline from an accredited college or university plus two (2) years of systems engineering experience. ProSync Technology Group, LLC (ProSync) is an award-winning, SDVOSB Defense Contracting company with a strong military heritage and a record of excellence in supporting the Department of Defense and the Intelligence Community.

Prosync

Linux Engineer (Linux/Windows)

Workable

Amatriot Group is seeking a Senior Linux Engineer (Red Hat) to support enterprise Linux infrastructure operations at the Naval Surface Warfare Center (NSWC) Carderock Division in West Bethesda, Maryland. The position leverages technologies such as Red Hat Enterprise Linux, Ansible, Red Hat Satellite, Kickstart, Red Hat Ansible Automation Platform, and Red Hat Identity Management.

Amatriot Group, LLC

Linux Engineer

clearcompany

Working knowledge of ARM64/aarch64 Linux and Raspberry Pi platform specifics: boot chain and firmware, device tree overlays, GPIO/I2C/SPI and serial peripherals. Qualifications: of the Principal Linux Engineer: 10+ years of Linux System Admin/Engineering experience Experience building, hardening, and supporting an embedded or appliance Linux OS.

Zp Group Llc

Principal Linux Engineer

linkup_via_bold

SBC Innovations is seeking an experienced Senior Linux Engineer to provide expert-level engineering, administration, modernization, and operational support for enterprise Linux infrastructure within a large-scale federal government environment. You bring advanced expertise in Linux engineering, infrastructure automation, enterprise security, and cloud technologies, with a commitment to delivering secure, stable, and highly available systems.

SBC Innovations Career

Sr. Linux Engineer

sourcestack_via_bold

The Senior Linux Engineer will administer, secure, troubleshoot, and sustain Linux infrastructure while using Red Hat Ansible Automation Platform (AAP) to improve reliability, patching, configuration management, and vulnerability remediation. Develop, test, troubleshoot, and maintain Ansible playbooks, roles, collections, and Python, Bash, and Perl scripts for provisioning, patching, configuration management, diagnostics, reporting, and routine operations.

Linux Engineer Jobs in Columbia, MD

EO/IR Systems Engineer L3Harris Technologies

Cloud Platform Engineer- Entry Level Credence

Cloud Platform Engineer Credence

Software Engineer (Learning Management System – Mid-Level) Leidos

Robotics Software Engineer - Construction HITT Contracting

Cyber Security Engineer System One

Sr DevSecOps Engineer System One

Cloud DevOps Engineer System One

Voice System Test Engineer (FAA) Jobot

System Test Engineer - VoIP systems Jobot

Voice (VoIP) Systems Test Engineer (FAA) Jobot

System Security Test Engineer (FAA) Jobot

DNS SME / Sr. Network Engineer System One

System Performance Test Engineer (VoIP) Jobot

Principal Systems Engineer Jobot

Linux Engineer (Linux/Windows) Prosync

Linux Engineer Amatriot Group, LLC

Principal Linux Engineer Zp Group Llc

Sr. Linux Engineer SBC Innovations Career

Senior Linux Engineer Resource Management Concepts Inc

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