System Administrator Jobs in Virginia

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Cyber Security Engineer

ManTech

McLean, Virginia, USA

Full-time

ManTech is seeking a highly skilled and motivated Cyber Detection and Response Analyst to join our dynamic Cyber Incident Response Team. As a key member of the team, you will be responsible for proactively monitoring, detecting, analyzing, and responding to cybersecurity incidents within our large enterprise network. Your expertise in incident detection, analysis, and response will play a vital role in safeguarding our organization's critical assets and ensuring the integrity of our information

Application Administrator (HR Systems)

Navy Exchange Service Command

Virginia Beach, Virginia, USA

Full-time

Serves as Application Administrator for a variety of Client Computing system software applications running on a variety of hardware environments. These applications support the overall user environment in areas such as but not limited to Identity Management Service Desk applications Asset Management etc. Serves as a liaison between the Helpdesk system administrators database administrators and functional Client Computing users. Duties and Responsibilities: Installs and configures Client Computin

Sr Systems Admin

Apex Systems

Fort Belvoir, Virginia, USA

Full-time

Job#: 2053596 Job Description: Apex Systems is seeking TS/SCI cleared Systems Administrators to join our client for a full-time, direct hire position in St. Louis, MO! Please see below for more details! Were seeking people driven to excellence and inspired to have a meaningful impact powering, automating, integrating, and securing the world's most critical infrastructure and facilities. This translates into fulfilling opportunities for employees driven to excel in a meaningful career. You will j

Senior IT Security Engineer (Hybrid Work Schedule)

Virginia Jobs

Remote or Richmond, Virginia, USA

Full-time

Title: Senior IT Security Engineer (Hybrid Work Schedule) State Role Title: Salary Non-Specified Hiring Range: $121,581 - $155,000 Pay Band: UG Agency: Virginia Retirement System Location:Virginia Retirement System Agency Website:;br> Recruitment Type: General Public - G Job Duties Hybrid Work Schedule: this position will work onsite two days a week (Tuesday and Wednesday) and 3 days remotely (Monday, Thursday and Friday). VRS is seeking a highly skilled and experienced Senior IT Security Engi

Python Developer/Automation Engineer

Leidos

Ashburn, Virginia, USA

Full-time

The U.S. Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a U.S. Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud, security devices,

Lead Systems Administrator

Peraton

Herndon, Virginia, USA

Full-time

Responsibilities Peraton is seeking a Lead Systems Administration to support an Intelligence Community customer in the Washington D.C., Maryland, and Virginia area. Responsibilities are: Lead a team of administrators to include the planning/scheduling of tasks, training and mentorship to personnel, ensuring proper resourcing, and status reporting to senior management.Determine candidates for employment/termination, conduct performance evaluations and salary reviews for assigned staff and is re

System/Network Engineer Senior

Parsons Services Company

Herndon, Virginia, USA

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: Parsons is looking for an amazingly talented multiple Senior System/Network Engineer

Data Engineer

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2504768 Location: CHANTILLY, VA, US Date Posted: 2025-04-17 Category: Information Technology Subcategory: Data Scientist Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems development & deployment, targeting & intelligence analysis, systems engineering & integration, and training capabilities and solutions for the In

Data Architect

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2504767 Location: CHANTILLY, VA, US Date Posted: 2025-04-17 Category: Information Technology Subcategory: Data Scientist Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems development & deployment, targeting & intelligence analysis, systems engineering & integration, and training capabilities and solutions for the In

IT Program Manager

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2505265 Location: CHANTILLY, VA, US Date Posted: 2025-05-01 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems development & deployment, targeting & intelligence analysis, systems engineering & integration, and training capabilities and solutions for th

Cyber Analyst

Leidos

Chantilly, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in th

Cyber Analyst, Junior

Leidos

Chantilly, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in th

NCIS Help Desk Analyst Tier II | Secret clearance

General Dynamics

Quantico, Virginia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Help Desk Job Qualifications: Skills: Help Desk Support, IT End User Support, IT Service Desk Certifications: Security+, CE - CompTIA Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Help Desk Analyst Tier II with GDIT. A career in enterprise IT me

NCIS Help Desk Analyst Tier I | Secret clearance

General Dynamics

Quantico, Virginia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Help Desk Job Qualifications: Skills: Help Desk Support, IT End User Support, IT Service Desk Certifications: Security+, CE - CompTIA Experience: 2 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Help Desk Analyst Tier I with GDIT. A career in enterprise IT mea

Senior Software Engineer (Big Data)

Mastercard

Arlington, Virginia, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po

Information System Security Officer (ISSO)

Leidos

Chantilly, Virginia, USA

Full-time

Leidos is seeking an Information System Security Officer (ISSO). The ISSO will be responsible for managing the authorizations and risks related to the processing, storage, and transmission of information for one or more programs within the Dissemination Task Order on the FS2 Program. The ISSO is responsible for meeting regulatory and non-regulatory compliance (security best practices) demands, providing leadership over security assessment activities, working across system ownership and managemen

Principal Cloud Engineer

Leidos

Chantilly, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in th

Maximo Database Administrator

Volitiion IIT Inc

Remote

Contract, Third Party

Positions Title: 3MS Database Administrator Period of Performance: 1080 Hours Place of Performance: Remote but may be required to attend meetings or work on-site at various locations, specifically: 4100 Garden City Dr, Hyattsville, MD 20785 / 300 7th St SW, Washington, DC 20024 / 2401 Mill Road, Alexandria, VA 22314 Due : April 21st by 10:00AM Responsibilities: Database Administration and Maintenance database administration and support on Oracle 12c, Oracle18, and SQLdatabases. Monitor, ma

NCIS Help Desk Analyst Tier II | Night Shift 10pm - 6am | Top Secret clearance

General Dynamics

Quantico, Virginia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Help Desk Job Qualifications: Skills: Help Desk Operations, Help Desk Support, Ticketing Systems Certifications: Security+ CE - CompTIA Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Help Desk Analyst Tier II with GDIT. A career in enterp

Full Stack Developer, Technical Lead

Leidos

Ashburn, Virginia, USA

Full-time

The National Security Sector within Leidos is seeking a Lead, Full Stack Software Developer, technical team lead with strong systems, software, cloud, and Agile experience to support a complex program to provide Agile development and operations and maintenance for critical systems on a mission-critical program supporting the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). PSPD supports the Department of Homeland Security (DHS) and CBP critical missions, s