system administrator AND security Jobs

81 - 100 of 256 Jobs

Linux System AdministratorJob Title - Linux System Administrator

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

•

Aberdeen, Maryland, USA

Full-time

Piper Enterprise Solutions is seeking an Linux System Administrator to join a stable and well known team located at Aberdeen Proving Ground. Responsibilities of the Linux System Administrator: Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system. Monitor network to ensure network availability to all system users and may perform necessary maintenance to support network availability. May monitor

Sr. System Administrator - VMwareJob Title - Sr. System Administrator - VMware

LeidosCompany Name - Leidos

•

Odenton, Maryland, USA

Full-time

The Defense group at Leidos has a career opening for a System Administration on a DISA contract. This role is primarily on the customer site at Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Provide Senior level expertise for VMware environment.Lead as the Subject Matter Expert on all VMware related issues/needs.Provide support for ticket escalation on major outages.Be able to

System AdministratorJob Title - System Administrator

LeidosCompany Name - Leidos

•

King of Prussia, Pennsylvania, USA

Full-time

Leidos Office of the Chief Information Security Officer, within the Digital Modernization Sector, is seeking a System Administrator to support various classified environments. You will be responsible for maintaining, securing, and supporting complex classified information systems, as well as ensuring compliance with security protocols and regulations. Work will be performed on site at our King of Prussia, PA office. What will you do in this role? This role includes a combination of duties to pr

System Administrator-Senior LevelJob Title - System Administrator-Senior Level

NightwingCompany Name - Nightwing

•

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

System Administrator IV - HPCJob Title - System Administrator IV - HPC

LeidosCompany Name - Leidos

•

Saratoga Springs, Utah, USA

Full-time

The Digital Modernization Sector at Leidos currently has an immediate need for an experienced System Administrator - IV HPC for a new customer on a strategic High-Performance Computing (HPC) program. The Senior System Administrator will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment, and the ability to work within a team to mature the HPC capabilities of our customer. Locations: These positions will be onsite. Candidates need to be loc

System Administrator (Night Shift) (Active Secret Clearance Required with Ability to obtain TS/SCI)Job Title - System Administrator (Night Shift) (Active Secret Clearance Required with Ability to obtain TS/SCI)

Akima, LLCCompany Name - Akima, LLC

•

Colorado Springs, Colorado, USA

Full-time

Five Rivers Analytics is looking for a System Administrator to work in Colorado Springs, CO. Administers, develops, runs tests, implements, and maintains operating system and related software. Establishes and implements standards for computer operations for compatibility between hardware and software, according to specifications and parameters. Troubleshoots and resolves software, operating system, and networking problems. Schedules, performs, and monitors system backups and performs data recove

On-Prem System Administrator - ServiceNowJob Title - On-Prem System Administrator - ServiceNow

Apex SystemsCompany Name - Apex Systems

•

Bellevue, Nebraska, USA

Full-time

Job#: 2072835 Job Description: TS/SCI Clearance Required JOB SUMMARY: The On-Prem System Administrator- ServiceNow at Apex Systems will collaborate with the internal team to maintain and optimize our customers software systems. In this role, the System Administrator will serve as a resource for the Platform Architect and the greater team, assisting with internal projects by performing administrative tasks, generating reports, creating documentation, providing training, and offering support as n

System Administrator IIJob Title - System Administrator II

General Dynamics Information TechnologyCompany Name - 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: 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 IIJob Title - System Administrator II

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

•

Maryland, USA

Full-time

System Administrator - AssociateJob Title - System Administrator - Associate

Morgan StanleyCompany Name - Morgan Stanley

•

Alpharetta, Georgia, USA

Full-time

In the Technology division, we leverage innovation to build the connections and capabilities that power our Firm, enabling our clients and colleagues to redefine markets and shape the future of our communities. This is a Cloud & Infrastructure Engineering II position at the Associate level, which is part of the job family responsible for managing and optimizing technical infrastructure and ensuring the seamless operation of IT systems to support business needs effectively. Morgan Stanley is an

Senior Windows System AdministratorJob Title - Senior Windows System Administrator

RTX CorporationCompany Name - RTX Corporation

•

El Segundo, California, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: CA222: 2006 E El Segundo Blvd BldgE04 2006 East El Segundo Boulevard Building E04, El Segundo, CA, 90245 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to

System AdministratorJob Title - System Administrator

Maxar Technologies Holdings IncCompany Name - Maxar Technologies Holdings Inc

•

Chantilly, Virginia, USA

Full-time

Please review the job details below. Are you a System Administrator that likes working on important and high visibility projects? Then we need your help! We have an urgent and immediate need for a Systems Administrator to join our team at a customer-site in Chantilly, VA. Life with Us Project: This customer office Provides Geospatial Support across the Enterprise. You will have the opportunity to help support applications enabling critical missions. The job will allow you to be instrumental in

System Administrator Level IVJob Title - System Administrator Level IV

General DynamicsCompany Name - General Dynamics

•

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: System Administrator Level IV Description: Manag

Genetec System AdministratorJob Title - Genetec System Administrator

City of New YorkCompany Name - City of New York

•

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

•

New York, New York, USA

Full-time

System AdministratorJob Title - System Administrator

Robert HalfCompany Name - Robert Half

•

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

Linux System AdministratorJob Title - Linux System Administrator

LeidosCompany Name - Leidos

•

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.

Senior Windows System AdministratorJob Title - Senior Windows System Administrator

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

•

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

General DynamicsCompany Name - General Dynamics

•

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

•

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