linux / unix systems administrator Jobs in maryland

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Senior System Engineer III

General Dynamics

Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Linux, Operating Systems (OS), Systems Design, Systems Development, Systems Management Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Systems Engineer Senior Level Deliver simple

Embedded Developer Level 2

Metrea Management, LLC

Maryland, USA

Full-time

Company OverviewMetrea is a defense company dedicated to translating commercial innovation into solutions for the hardest problems in national security. With deep mission expertise, Metrea focuses on delivering effects as-a-service across a spectrum of domains including Air & Space, Electromagnetic & Cyber, and Synthetic. Metrea Management provides central services to eleven (11) global capability units via Operations, Solutions, Strategy, Legal, and Finance teams. Capability Unit Metrea Algorit

System Administrator Level IV

General Dynamics Information Technology

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Servers, Linux, Microsoft Windows, Troubleshooting Certifications: None Experience: 9 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Transform technology into opportunity as

Red Team Cyber Project Engineer- Onsite in Puerto Rico

Lockheed Martin Corporation

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Job Description We are looking for talented candidates with a strong technical background, experienced cyber security knowledge, the ability to think like a cyber adversary and having a passion for cyber security. The Red Team is looking for candidates who are ambitious, self-motivated and want to develop solutions to tough and unique challenges. Apply to this position if you want help secure our corporation, our customers, and the warfighter. If you want an opportunity to put yourself to the t

Senior Lead Site Reliability Engineer - Remote

Akamai Technologies

Cambridge, England, United Kingdom

Full-time

Would you enjoy improving stability and safety of one of the largest global networks? \n Would you enjoy hands-on network operations work on a global scale to improve our operational efficiency? \n Join our Platform Security Engineering Team \n The Platform Security Engineering team is a group of engineers that support and secure Akamai's global network and Linode cloud systems. Our systems provide data security, server integrity, network access, and secure communications infrastructure. This is

Splunk Engineer - Placement

Apex Systems

Oxon Hill, Maryland, USA

Full-time

Job#: 2071393 Job Description: Apex Systems is seeking a highly skilled Splunk Security Engineer with expertise in Cribl to join our clients Splunk Engineering team. The ideal candidate will play a key role in designing, implementing, and maintaining DHS' Splunk environment, leveraging Cribl for data processing and routing. If interested, email your resume. Position: Splunk Engineer Location: Hybrid - 2x onsite at National Harbor, 3x remote Hours: Regular business hours Compensation: $135,000-

Secure Enterprise Engineer - Viasat Government

Viasat, Inc.

Linthicum Heights, Maryland, USA

Full-time

About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do As a Secure Enterprise Engineer you will be responsible for

Software Developer Level 3

General Dynamics Information Technology

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Design, Detailed Design, Documentations, Software Design, Software Systems Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Designs, develops, troubleshoots and analyzes routine, c

Software Developer Level 3

General Dynamics Information Technology

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Design, Detailed Design, Documentations, Software Design, Software Systems Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Designs, develops, troubleshoots and analyzes routine, co

CNO Test Engineer (TS/SCI with Poly/NEW HIRE SIGN-ON BONUS UP TO $30,000)

General Dynamics

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Test Engineering Job Qualifications: Skills: Test Case Design, Test Documentation, Test Procedure Development Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: PERKS: This position is eligible for a sign-on bonus up to $30,000 for N

Software Developer Level 3

General Dynamics Information Technology

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Design, Detailed Design, Documentations, Software Design, Software Systems Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Designs, develops, troubleshoots and analyzes routine, c

Senior System Engineer III

General Dynamics Information Technology

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Linux, Operating Systems (OS), Systems Design, Systems Development, Systems Management Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Systems Engineer Senior Level Deliver simple

Cloud Engineer

DP Professionals Inc

Remote or Columbia, South Carolina, USA

Contract

DPP is seeking a Cloud Engineer for an opportunity in Columbia, SC. Work arrangement: Onsite is highly preferred, but open to remote W2 position; 6 months Candidates who are foreign nationals must have resided in the US for at least three (3) of the last five (5) years prior to assignment to the client s applicable government contract. Position summary: A typical day for a Cloud Engineer involves a mix of building, supporting, automating, and optimizing cloud infrastructure to ensure secure, sca

Red Hat Enterprise Linux (RHEL) Administrator - Secret Clearance Required

Maximus

Maryland, USA

Full-time

General information Job Posting Title Red Hat Enterprise Linux (RHEL) Administrator Date Thursday, June 5, 2025 City Annapolis Junction State MD Country United States Working time Full-time Description & Requirements Maximus is seeking an accomplished Red Hat Enterprise Linux Administrator to provide expertise in managing and optimizing assets for our federal client's critical operations. As a Red Hat Enterprise Linux Admin, you will be responsible for managing and maintaining the RHEL infrastru

Red Hat Enterprise Linux (RHEL) Administrator - Security Clearance Required

Maximus

Maryland, USA

Full-time

General information Job Posting Title Red Hat Enterprise Linux (RHEL) Administrator Date Thursday, June 5, 2025 City Annapolis Junction State MD Country United States Working time Full-time Description & Requirements Maximus is seeking an accomplished Red Hat Enterprise Linux Administrator to provide expertise in managing and optimizing assets for our federal client's critical operations. As a Red Hat Enterprise Linux Admin, you will be responsible for managing and maintaining the RHEL infrastru

Information Systems Security Officer - Hunt Valley

Textron, Inc.

Maryland, USA

Full-time

Job Summary: Provide information systems security support from a managerial and technical standpoint for DoD and Non-DoD classified systems and networks. Standing up and maintaining accreditations for classified systems and networks. Classified Systems & Networks range in complexity and size to include multi-platform computing (Linux, Windows, Solaris, VMWare), virtual environments, and mobile systems. Extensive experience with eMASS, NISPOM Chapter 8, DCSA DAAPM, DISA STIGs. Assemble and mainta

HPC Systems Admin

General Dynamics

Remote

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Systems Engineering Job Qualifications: Skills: High-Performance Computing (HPC) Systems, Linux System Administration, Python (Programming Language), Scripting, SUSE Linux Enterprise Server (SLES) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: At GDIT, people are ou

*Senior Risk Intelligence Engineer* - W2 Role

Kellton

Remote

Third Party, Contract

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details: Posi

Software Developer Level 3

General Dynamics

Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Design, Detailed Design, Documentations, Software Design, Software Systems Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Designs, develops, troubleshoots and analyzes routine, co

Senior Kubernetes Platform Engineer

Leidos

Remote

Full-time

Leidos has a current opening for a Senior Kubernetes Platform Engineer to play a pivotal role in our dynamic team based out of Blacksburg, Virginia. This role allows partnering with a distinguished team of professionals to advance internal and client projects focusing on application containerization, automation, and redesign/re-architecture clusters supporting mission-critical applications hosted on Kubernetes. Utilize your expertise to assist with the consultation and design of infrastructure t