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We're seeking a seasoned Linux Admin/Test Engineer to join our elite team in Hanover, Maryland where your work will directly contribute to achieving critical national cyber mission objectives, offering a unique opportunity to make a meaningful impact unlike any other program in this field. Since 2006, MAXISIQ has advanced the state of Cyber RDT&E by bringing together industry expertise in software, hardware, communications and security, and leveraging decades of operational experience to deliver exceptional value to communities and the critical missions they support.

MAXISIQ, Inc.

Linux Admin/Test Engineer

One Red Cent - Direct

YEAR

Our team of solution architects, computer engineers, software engineers and business specialists serves civilian federal agencies and commercial clients, with a focus on systems integration and support for large-scale, mission-critical systems. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

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Jobot

FAA Voice System Test 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).

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

Sr DevSecOps 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

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are committed to creating an environment where employees are empowered to make an impact, work alongside highly talented teams, and contribute to meaningful, mission-critical initiatives in a supportive and forward-thinking workplace.

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)

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)

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

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, MD. Linux Infrastructure Administration: Install, configure, administer, and troubleshoot Red Hat Enterprise Linux (RHEL) servers supporting enterprise infrastructure and mission-critical applications.

Amatriot Group, LLC

Linux Engineer

clearcompany

The role additionally supports the Debian-based Linux operating system (Debian 13 "trixie" on ARM hardware) that ships embedded in certain company products, partnering with Product Engineering and R&D on OS image build, hardening, patching, and field escalations. This position manages the Linux support queue and on-call rotation, mentors junior and mid-level engineers, and partners with Security, Network, Database, Applications, and Quality teams to sustain systems available, secure, compliant, and audit-ready in a 24x7x365 environment.

Meso Scale Diagnostics LLC

Principal Linux Engineer

Meso Scale Discovery

ea_via_bold

Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc. . Disclaimer: The salary range provided is an estimate based on current market conditions and may be adjusted based on factors such as experience, skills, and qualifications.

Shield Consulting Solutions

Sr. Linux Engineer

The Applicant Manager

Configure and manage Linux, and possibly Windows operating systems, installs/loads operating system software and patches to maintain security compliance, troubleshoot, maintain integrity of and configure network components, along with implementing operating system enhancements to improve reliability & performance. Provide support to IT systems including day-to-day operations, monitoring & problem resolution for all the client/server/storage/network devices, etc.

Senior Linux Engineer

Associate's degree and 5+ years of experience supporting IT projects and activities, Bachelor's degree and 3+ years of experience supporting IT projects and activities, or Master's degree and 1+ years of experience supporting IT projects and activities. Ability to obtain a DoD 8570 Cybersecurity Service Provider - Infrastructure Support Certification (CSSP-IS), including CEH, CySA+, GICSP, SSCP, CHFI, CFR, Cloud+, or CND Certification, within 30 days of start date.

Booz Allen is an advanced technology company. We build commercial-grade products and solutions for America’s most critical defense, civil, and national security priorities.

Booz Allen Hamilton Inc.

Linux And Ansible Automation Engineer

The ideal candidate will bring strong expertise across Linux systems administration, application servers, virtualization, and security, with the ability to troubleshoot complex issues and support both virtual and physical infrastructure across enterprise environments. CDIT is seeking an experienced Senior Linux Systems Administrator / Engineer to support an Intelligence Community-wide mission environment and service.

CDIT

Sr. System Administrator/System Engineer - Linux

Sr. System Admin/System Engineer - Linux

Create version-controlled CI/CD pipeline artifacts for infrastructure and platform changes, incorporating testing, security guardrails, and deployment traceability. Experience operating Kubernetes and container workloads, including deployments, cluster health, upgrades, access controls, and troubleshooting.

cFocus Software Inc

USAF - Linux/Kubernetes Automation Engineer

Deploy, upgrade, administer, and optimize Red Hat Ansible Automation Platform 2.x, including Automation Controller, Private Automation Hub, Execution Environments, inventories, projects, credentials, job templates, workflows, and RBAC. Integrate AAP with enterprise tools such as ServiceNow, Git/GitLab, Red Hat Satellite, Splunk, Dynatrace, vulnerability-management platforms, and monitoring tools.

Linux Engineer Jobs in Maryland

Linux Admin/Test Engineer MAXISIQ, Inc.

FAA Voice System Test Engineer Jobot

Sr DevSecOps Engineer System One

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

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

System Performance Test Engineer (VoIP) Jobot

DNS SME System One

Linux Engineer Amatriot Group, LLC

Principal Linux Engineer Meso Scale Diagnostics LLC

Principal Linux Engineer Meso Scale Discovery

Sr. Linux Engineer Shield Consulting Solutions

Senior Linux Engineer Shield Consulting Solutions

Linux And Ansible Automation Engineer Booz Allen Hamilton Inc.

Sr. System Administrator/System Engineer - Linux CDIT

Sr. System Admin/System Engineer - Linux CDIT

USAF - Linux/Kubernetes Automation Engineer cFocus Software Inc

Senior Ansible & Linux Automation Engineer Resource Management Concepts, Inc.

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