unix administration Jobs in baltimore, md

21 - 40 of 120 Jobs

Unix/Linux AdministratorJob Title - Unix/Linux Administrator

Parsons Services CompanyCompany Name - Parsons Services Company

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Remote

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: This job opening is for an experienced Unix/Linux Administrator to provide systems a

System Administrator Level 3Job Title - System Administrator Level 3

General DynamicsCompany Name - General Dynamics

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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 Administration Job Qualifications: Skills: Linux, ServiceNow Platform, Unix Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Provides support for implementation, troubleshooting and maintenance of information Technology (I

Systems Administrator Senior - TS/SCI requiredJob Title - Systems Administrator Senior - TS/SCI required

General DynamicsCompany Name - General Dynamics

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Fort Meade, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computing, IT Hardware, System Administration Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Systems Administrator Senior - TS/SCI required Transform technology into opportunity as a Syste

System Administrator 1Job Title - System Administrator 1

JacobsCompany Name - Jacobs

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Annapolis, Maryland, USA

Full-time

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. We are seeking a Database Administrator to join our team of passionate individuals. In this role you will support challenging, mission-critical projects that make a direct impact on the nation's security and intelligence mission. Responsibilities: A system administrator provides support for implementation, troubleshooting and maintenance of IT systems. Manages IT system infrastructu

Information Security EngineerJob Title - Information Security Engineer

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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Columbia, Maryland, USA

Full-time

Piper Companies is seeking a dynamic Security Engineer for a hybrid (3 days onsite) to join a pioneering healthcare team located in Columbia, MD. Responsibilities of the Security Engineer: Perform security functions including IAM, vulnerability scanning, light pen testing, and daily review of security reports and systems. Generate internal threat intelligence and conduct threat hunting to enhance the security stack. Ensure adherence to information security policies and procedures and monit

System Administrator 1Job Title - System Administrator 1

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

RealmOne is the GOAT - where your career can reach the greatest heights! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join u

System Administrator 2Job Title - System Administrator 2

Realm OneCompany Name - Realm One

•

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

Information Security EngineerJob Title - Information Security Engineer

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

•

Columbia, Maryland, USA

Full-time

Piper Companies is seeking a dynamic Security Engineer for a hybrid (3 days onsite) role located in Columbia, MD. You will be responsible for safeguarding the Software Development Life Cycle (SDLC), as well as implementing and maintaining information security controls and countermeasures to ensure robust protection for a pioneering healthcare team. Requirements of the Security Engineer: Perform security functions including IAM, vulnerability scanning, light pen testing, and daily review of sec

System Administrator IJob Title - System Administrator I

General DynamicsCompany Name - General Dynamics

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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 Administration Job Qualifications: Skills: Information Technology (IT), Information Technology (IT) Systems, Operating Systems (OS), Problem Resolution, Troubleshooting Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: Syste

Senior Linux Systems AdministratorJob Title - Senior Linux Systems Administrator

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immed

Systems AdministratorJob Title - Systems Administrator

BlueHaloCompany Name - BlueHalo

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Annapolis, Maryland, USA

Full-time

At BlueHalo, an AV Company, our Cyber experts operate at the mission's edge. Using advanced cyber techniques, our team of technologist and analysts employ capabilities spanning traditional computing environments to Internet of Things (IoT), including offensive and defensive cyber operations and analysis, signals intelligence (SIGINT) discovery, and data science. Our team is expanding to do the big things that have never been done before - the things the nation and the world are counting on us to

Senior Greenplum Database EngineerJob Title - Senior Greenplum Database Engineer

LeidosCompany Name - Leidos

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Baltimore, Maryland, USA

Full-time

The Digital Modernization Sector has an opening for a Senior Greenplum Database Engineer to work in Woodlawn, MD. This position will require onsite work in Woodlawn, MD five days a week. Day to Day Responsibilities: Excellent written and verbal communication skills.Expert in the various data loading techniques to Greenplum MPP database and develop process to automate it, and troubleshoot any data load errors.Database development experience with strong skills in SQL and PL/pgSQL.Perform source

Senior Red Hat Linux Administrator Consultant- Hybrid Annapolis, MDJob Title - Senior Red Hat Linux Administrator Consultant- Hybrid Annapolis, MD

Stellar IT SolutionCompany Name - Stellar IT Solution

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Annapolis, Maryland, USA

Contract, Third Party

5/5/2025 @4:30PM EST Position: Senior Red Hat Linux Administrator Consultant - PORFP K23-0094-25L-7 Location: 189 Harry S Truman Parkway, Annapolis, MD 21401 Onsite/ Remote: Hybrid Duration: Long-Term Submission Limit: 1 Can submit 1 candidate Must provide copy of degree & other evidence (i.e. transcript) Must provide copy of resources' Red Hat Certified Systems Administrator certification Signed Attachment O Resource Acknowledgement 2 days remote, 3 days on-site (Hybrid) Summary The AOC

Senior Linux Systems Administrator - 10k Sign on BonusJob Title - Senior Linux Systems Administrator - 10k Sign on Bonus

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Modernization Cyber Systems Administrator - SA1Job Title - Modernization Cyber Systems Administrator - SA1

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description Who You Are: Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel the customer into the next phase of product suite modernization by

System Administrator (SA3) (Government)Job Title - System Administrator (SA3) (Government)

AT&T Inc.Company Name - AT&T Inc.

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Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training

System Administrator (SA2) (Government)Job Title - System Administrator (SA2) (Government)

AT&T Inc.Company Name - AT&T Inc.

•

Columbia, Maryland, USA

Full-time

Modernization Cyber Systems Administrator - SA2Job Title - Modernization Cyber Systems Administrator - SA2

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description The Work: We are seeking professionals interested in Systems Administration. Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel t

Linux System AdministratorsJob Title - Linux System Administrators

LeidosCompany Name - Leidos

•

Annapolis, Maryland, USA

Full-time

Leidos frequently has exciting opportunities for Linux System Administrators in the National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits ;/b>, including 4 or more weeks Paid Time Off, 11 paid Holidays, 401K with a 6% company

Sr. Cyber Security Analyst - Incident ResponseJob Title - Sr. Cyber Security Analyst - Incident Response

T. Rowe PriceCompany Name - T. Rowe Price

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Remote or Owings Mills, Maryland, USA

Full-time

At T. Rowe Price, we identify and actively invest in opportunities to help people thrive in an evolving world. As a premier global asset management organization with more than 85 years of experience, we provide investment solutions and a broad range of equity, fixed income, and multi-asset capabilities to individuals, advisors, institutions, and retirement plan sponsors. We take an active, independent approach to investing, offering our dynamic perspective and meaningful partnership so our clien