Linux / Unix Systems Administrator Jobs in Baltimore, MD

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Extended Expertise Consultant/Network Security Consultant - XSIAM

HCM Staffing and Consulting

•

Remote

Contract

Your Career This Consultant position is an integral part of our mission within our Professional Services team. In this role, you will work on-site with our customer(s), supporting our mission to help them quickly and completely adopt our Security Operating Platform, leaving them more secure. This is a highly technical, hands-on role, and you will develop and maintain expertise-level skillsets on our products and solutions deployed within the customer's environment. Cortex XSOAR orchestration ena
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Posted 11 days ago | Updated 5 days ago

Principal CICS Systems Programmer

Beedata

•

Woodlawn, Maryland, USA

Third Party, Contract

Key Required Skills: CICS v6.x System Programming, COTS tools administration (InterTest, Abend-Aid, CICS MAPR), IBM utilities administration, IBM MQ for z/OS administration, and IBM z/OS. Position Description: Architect, design, integrate, implement, and manage the operation of large-scale, complex CICS environments (CICSPLEX, CPSM, SYSPLEX) across multiple LPAR mainframe systems. Leverage deep expertise in CICS system programming, application development, IBM MQ, CICS Transaction Gateway, SAS
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Posted 18 days ago

Information Systems Director

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: Information Systems Management Job Qualifications: Skills: Computer Security, Information Systems, Security Architecture Design, System Security Certifications: Security + - CompTIA Experience: 9 + years of related experience ship Required: Yes Job Description: Information Systems
Posted 32 days ago | Updated 14 hours ago

Software and Data Engineer

Booz Allen Hamilton

•

Maryland, USA

Full-time

Job Number: R0207012 Software and Data Engineer The Opportunity: As a Software and Data Engineer, you're excited at the prospect of unlocking the secrets held by a data set, and you're fascinated by the possibilities presented by IoT, quantum computing, machine learning, and artifi cia l intelligence. If you care about moving a mission forward as much as advancing the fields of data science and software engineering, this is the opportunity for you. Your deep data and systems architecture expert
Posted 60+ days ago | Updated 9 hours ago

Mid-Level Capabilities Development Engineer

General Dynamics Information Technology

•

Maryland, USA

Full-time

Type of Requisition: Pipeline 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: Engineering (General) Job Qualifications: Skills: C Sharp (Programming Language), Development Software, Embedded Software, Embedded Systems Certifications: None Experience: 0 + years of related experience ship Required: Yes Job Description: Designs, develops, tests and evaluates e
Posted 60+ days ago | Updated 14 hours ago

XSOAR Consultant

Zachary Piper Solutions, LLC

•

Remote

Full-time

Piper Companies is seeking a Remote SOAR Consultant (Cortex XSOAR) to join a premier cyber security organization. The SOAR Consultant will work with clients to determine a suitable detection strategy, helping to protect customers from threats, by designing and implementing correlation rules. Responsibilities of the SOAR Consultant include: Assist customers with their Incident Response efforts leveraging Cortex XSOAR for Security Orchestration Automation and ResponseLearn & understand the custo
Posted 4 days ago | Updated 6 hours ago

SOAR Consultant

Zachary Piper Solutions, LLC

•

Remote

Full-time

Piper Companies is seeking a Remote SOAR Consultant (Cortex XSOAR) to join a premier cyber security organization. The SOAR Consultant will work with clients to determine a suitable detection strategy, helping to protect customers from threats, by designing and implementing correlation rules. Responsibilities of the SOAR Consultant include: Assist customers with their Incident Response efforts leveraging Cortex XSOAR for Security Orchestration Automation and ResponseLearn & understand the custo
Posted 4 days ago | Updated 6 hours ago

Information Systems Director

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: Information Systems Management Job Qualifications: Skills: Computer Security, Information Systems, Security Architecture Design, System Security Certifications: Security + - CompTIA Experience: 9 + years of related experience ship Required: Yes Job Description: Information Systems D
Posted 32 days ago | Updated 2 hours ago

Drupal Web Developer - $72 CTC - REMOTE

Chandra Technologies, Inc.

•

Remote

Contract

Job Description: Crop to Crop resumes are accepted Perform Web Developer work in collaboration with the Texas Workforce Commission Web Admin team as well as the Information Technology Unix Admin team to migrate existing web content from legacy, End of Life servers onto existing, current web servers which have already been configured for this purpose. They should be proficient in managing and migrating the environment to RHEL 8 with updated applications and modules requiring a highly skilled indi
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Posted 3 days ago

Senior Systems Engineer 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 Engineering Job Qualifications: Skills: Operating Systems (OS), Systems Development, Systems Engineering, Systems Management Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Systems Engineer Senior Deliver simple solution
Posted 60+ days ago | Updated 14 hours ago

Mid to Senior Systems/Hardware Engineer (VHDL)

CACI International, Inc.

•

Fort Meade, Maryland, USA

Full-time

Mid to Senior Systems/Hardware Engineer (VHDL) Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: None Type of Travel: Local * * * The Opportunity: Invent Your Future providing mission-critical cyber support and solutions.CACI is looking for talented Systems Engineers (SE) with experience in Hardware Engineering in/around the Fort Meade, Maryland area.You'll use your Systems Engineering and Tec
Posted 60+ days ago | Updated 21 days ago

VoIP SBC Engineer

Leidos

•

Odenton, Maryland, USA

Full-time

The Digital Modernization Sector at Leidos has an opening for a subject matter expert of Session Border Controllers (SBCs) on the DISA Defense Red Switch Network team in support of an enterprise VoIP management system - GSM-O II contract at Fort Meade, MD. The successful candidate will have an SBC background responsible for the design, deployment, and maintenance of SBCs and their network and element management systems on a high-paced, fast-moving program. The candidate will be a member of a tea
Posted 60+ days ago | Updated 8 hours ago

Mid-Level Capabilities Development Engineer

General Dynamics

•

Maryland, USA

Full-time

Type of Requisition: Pipeline 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: Engineering (General) Job Qualifications: Skills: C Sharp (Programming Language), Development Software, Embedded Software, Embedded Systems Certifications: None Experience: 0 + years of related experience ship Required: Yes Job Description: Designs, develops, tests and evaluates el
Posted 60+ days ago | Updated 8 hours ago

DevOps Engineer

Base-2 Solutions, LLC

•

Fort Meade, Maryland, USA

Full-time

Job Description: Base-2 Solutions is seeking a talented and driven DevOps Engineer to join our team. Our DevOps Engineers are essential to delivering secure, scalable, and efficient infrastructure solutions in support of national defense and mission-critical systems. We are looking for candidates who excel in automation, continuous integration/continuous deployment (CI/CD), cloud technologies, and system reliability. Ideal candidates will demonstrate versatility, strong problem-solving skills,
Posted 30 days ago | Updated 8 hours ago

Software Test Engineer (TS/SCI w/Poly Required)

CACI International, Inc.

•

Columbia, Maryland, USA

Full-time

Software Test Engineer (TS/SCI w/Poly Required) Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * CACI has an immediate opportunity for a Software Test Engineer to join a team in the Ft. Meade area. As a member of a cross-functional team, you will analyze system requirements to develop evaluation and test plans/procedures, prepare for and conduct t
Posted 60+ days ago | Updated 21 days ago

Red Hat Enterprise Linux (RHEL) Administrator

Maximus

•

Maryland, USA

Full-time

General information Job Posting Title Red Hat Enterprise Linux (RHEL) Administrator Date Friday, April 4, 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 infrastruc
Posted 23 days ago | Updated 8 hours ago

Red Hat Enterprise Linux (RHEL) Administrator

Maximus

•

Maryland, USA

Full-time

General information Job Posting Title Red Hat Enterprise Linux (RHEL) Administrator Date Friday, April 4, 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 R
Posted 23 days ago | Updated 8 hours ago

Information Systems Security Officer

Base-2 Solutions, LLC

•

Fort Meade, Maryland, USA

Full-time

Job Description: Base-2 Solutions is seeking a dedicated and detail-oriented Information Systems Security Officer (ISSO) to join our team. Our ISSOs are responsible for ensuring the security posture of mission-critical systems by supporting compliance efforts, managing risk, and enforcing security policies. We're looking for individuals who excel at navigating complex cybersecurity environments, maintaining meticulous documentation, and fostering collaboration between technical teams and govern
Posted 30 days ago | Updated 8 hours ago

Senior Cyber Software Developer (C/C++)

Peraton

•

Fort Meade, Maryland, USA

Full-time

Responsibilities Peraton is seeking a Senior Software Developer that can provide TS/SCI C/C++ software development of modules that manipulate pointers, memory structures, and registers using low-level embedded systems techniques. Our teammates on the program provide expert, onsite support in research and development of software designed to exploit vulnerabilities of adversary technology, algorithm development, script writing and software utility development, use of multiple programming language
Posted 60+ days ago | Updated 21 days ago

Senior Cyber Software Developer (C++)

Peraton

•

Fort Meade, Maryland, USA

Full-time

Responsibilities Peraton is seeking a Senior Software Developer that can provide TS/SCI C/C++ software development of modules that manipulate pointers, memory structures, and registers using low-level embedded systems techniques. Our teammates on the program provide expert, onsite support in research and development of software designed to exploit vulnerabilities of adversary technology, algorithm development, script writing and software utility development, use of multiple programming language
Posted 60+ days ago | Updated 21 days ago