system administrator and security Jobs

81 - 100 of 276 Jobs

Genetec System AdministratorJob Title - Genetec System Administrator

City of New YorkCompany Name - City of New York

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New York, New York, USA

Full-time

Company Description Job Description THE SELECTED CANDIDATE WILL BE OFFERED A SALARY BETWEEN $114,930.00 - $132,170.00. THIS POSITION IS ONLY OPEN TO CANDIDATES WHO ARE PERMANENT (NOT PROVISIONAL) IN THE CIVIL SERVICE TITLE CERTIFIED IT ADMINISTRATOR (LAN/WAN). The Administration for Children's Services (ACS) protects and promotes the safety and well-being of children and families through child welfare and juvenile justice services and community supports. ACS manages community-based supports

Genetec System AdministratorJob Title - Genetec System Administrator

City of New YorkCompany Name - City of New York

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New York, New York, USA

Full-time

Linux System AdministratorJob Title - Linux System Administrator

LeidosCompany Name - Leidos

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Huntsville, Alabama, USA

Full-time

Are you passionate about tackling intricate challenges? Leidos-Dynetics, within the Digital Modernization sector, is seeking a Linux System Administrator to ensure the secure and efficient operation of our Linux-based systems, while seamlessly integrating with other technologies within a high-traffic network environment. In this full-time, on-site role, you will collaborate closely with stakeholders to support a variety of programs. Expertise in both Linux and Windows technologies is essential.

Mobile/PITD System Administrator - Nights (Active TS/SCI REQUIRED)Job Title - Mobile/PITD System Administrator - Nights (Active TS/SCI REQUIRED)

World Wide TechnologyCompany Name - World Wide Technology

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No location provided

Full-time

REQUIRED SKILLS: DoD 8140 - CompTIA Security+ certification Bachelor of Science degree (Computer Science, Information Systems, or Business is preferred) or Experienced System Administrator with 2+ years' experience in related field Active TS/SCI security clearance with willingness to consent to a polygraph for this position. Ability to work night shift. Weds - Sat 1730-0530ET - Alternate 4 on, 3 off / 3 on, 4 off Solid understanding of Windows operating system administration, including user acco

Senior Windows System AdministratorJob Title - Senior Windows System Administrator

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Phoenix, Arizona, USA

Full-time

We are looking for a Senior System Administrator to join this growing team! This is a full-time, remote position; however, we are seeking someone located in the greater Phoenix area who can come into the office occasionally for mission-critical events and team-building activities. Are you looking for a dynamic opportunity with a Phoenix-based company to work as a Senior System Administrator? Look no further-this could be the opportunity for you! As a Senior System Administrator, you will play a

System AdministratorJob Title - System Administrator

Robert HalfCompany Name - Robert Half

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Fort Lauderdale, Florida, USA

Full-time

Description Job Title: System Administrator Employment Type: CTH Overview: We are seeking a skilled and motivated System Administrator to join a high-performing IT team supporting a multi-site environment. This role is ideal for someone with a strong background in Windows systems administration, enterprise networking, and infrastructure support. You will play a key role in ensuring the stability, security, and scalability of a distributed IT environment that supports both office and field-based

System AdministratorJob Title - System Administrator

General DynamicsCompany Name - General Dynamics

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Arlington, Virginia, 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 Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Systems, Microsoft Windows Server, Technical Troubleshooting Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Job Description: Seize your opportunity to make a personal impact as a System Admini

Network/System Administrator (Net/Sys Admin) IIIJob Title - Network/System Administrator (Net/Sys Admin) III

General DynamicsCompany Name - General Dynamics

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Bedford, Massachusetts, 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: Network Administration Job Qualifications: Skills: Network Administrator, Network Architecture, Network Engineering Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Network/System Administrator (Net/Sys Admin) The primary function will be to

System Administrator 0Job Title - System Administrator 0

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

We're searching for talented individuals who provide intelligence, engineering, and mission management expertise for the Government. This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, then come join us! Job Description: This position is for System Administration support for development and production environments for a mission-critical Ide

System Administrator 2Job Title - System Administrator 2

JacobsCompany Name - Jacobs

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Fort Meade, Maryland, USA

Full-time

Your Impact: Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a System Administrator to join our team of passionate individuals in Ft Meade, Maryland. In this role you will support challenging, mission-critical projects that make a direct impact on the nation's security and intelligence mission. Responsibilities: Provide support to IT systems, including monitoring and problem resolution for all client/server/st

System Administrator Level IVJob Title - System Administrator Level IV

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Laurel, Maryland, USA

Part-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: Active Directory (AD), Operating Systems (OS), OS Configuration, PC Installation Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: S ystem A dministrator Level IV Description : Ma

Sr. System Administrator- Network Operations CenterJob Title - Sr. System Administrator- Network Operations Center

RaytheonCompany Name - Raytheon

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Springfield, Virginia, USA

Full-time

Date Posted: 2025-05-19 Country: United States of America Location: VA141: 8350 Alban Road, Springfield 8350 Alban Road Suite 700, Springfield, VA, 22150 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with CI Poly - Current Sr. System Administrator- Network Operations Center-Springfield, VA, must have active TS/SCI CI

Principal System Administrator- Network Operations CenterJob Title - Principal System Administrator- Network Operations Center

RaytheonCompany Name - Raytheon

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Springfield, Virginia, USA

Full-time

Date Posted: 2025-06-11 Country: United States of America Location: VA141: 8350 Alban Road, Springfield 8350 Alban Road Suite 700, Springfield, VA, 22150 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph Principal System Administrator- Network Operations Center-Springfield, VA, must have active TS/SCI CI Po

Master Linux System Administrator - Secret ClearedJob Title - Master Linux System Administrator - Secret Cleared

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

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San Diego, California, USA

Full-time

Piper Companies is looking for a Master Linux System Administrator to join a government contractor, working onsite in San Diego, CA. An active secret clearance is required for consideration This is a contract to hire opportunity with a great client that is looking to move quickly! Essential Duties of theMaster Linux System Administrator: Provide guidance for directing/monitoring information systemsInstall, configure and maintain Linux operating systemsAnalyze network traffic and provide capacit

System Administrator IIJob Title - System Administrator II

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: Communication, Information Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for implemen

System Administrator 3Job Title - System Administrator 3

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

AWS System Administrator - Sr.Job Title - AWS System Administrator - Sr.

Accenture LLPCompany Name - Accenture LLP

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San Antonio, Texas, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

System AdministratorJob Title - System Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Arlington, Virginia, USA

Full-time

System AdministratorJob Title - System Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Arlington, Virginia, USA

Full-time

System Administrator Site LeadJob Title - System Administrator Site Lead

LeidosCompany Name - Leidos

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Shiloh, Illinois, USA

Full-time

The Defense group at Leidos has a career opening for a System Administration Site Lead on a DISA contract. This role is primarily on the customer site at Scott AFB, IL. The site lead will manage a team of 4-5 personnel providing support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Directly report to Tier II/ Program Management on all technical and personnel concernsPerform Leidos supervisory duties for a team of 5 personne