principal windows systems administrator Jobs in virginia

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Junior .NET Developer

Cornerstone Defense

Reston, Virginia, USA

Full-time

Location: Reston, Virginia Type: Contract Job #3560 Title: .NET Developer Location: Chantilly, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed

Junior Cloud Engineer

Leidos

Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Junior Cloud Engineer to support a fast-paced program with the Air Force Life Cycle Management Center. The Junior Cloud Engineer will deploy, maintain, and scale hybrid cloud digital infrastructure for an Air Force Lifecycle Management Command (AFLCMC) customer. This position requires a fast-learning, high-performing candidate with a proven history of delivering cloud solutions to customers. The ideal candidate will have experience i

IT Support Specialist - Tier II

ICF

Reston, Virginia, USA

Full-time

ICF International is seeking an IT Support Specialist to work in our Corporate Information Technology (CIT) organization based in Reston, VA. ICF's IT Support Specialists provide mid-level analysis and technical support for the ICF employee user community, including multiple levels of users, management, and technical staff globally. Provides technical support to the organization's on-site and remote users for computer applications and hardware (e.g., PCs, PC peripherals, network).Provides end-us

DevOps Engineer - TS/SCI

Metric5

Remote or Springfield, Virginia, USA

Full-time

DevOps Engineer - Top Secret Clearance Location: Springfield, VA or St. Louis, MO Description: Metric5 is currently seeking a DevOps Engineer for a software development project within the Department of Defense / NGA. The DevOps Engineer will work within a DevSecOps environment on an Ops team to securely maintain and deploy updates to the existing web based knowledge repository that is built upon OpenShift technologies to all client domains. You are comfortable working side by side with other eng

Cybersecurity Implementation Engineer

General Dynamics

Springfield, 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 + Polygraph Public Trust/Other Required: None Job Family: Cyber Security Job Qualifications: Skills: Cyber Defense, Cybersecurity, Technical Knowledge Certifications: 8140.01 - DoD, 8570.01-M - DoD, Information Assurance System Architecture and Engineering Specialist (IASAE) Level II - DoD Experience: 6 + years of related experience ship Required: Yes

Remote IP Core Network Administrator Nokia / Ciena

TEKsystems c/o Allegis Group

Remote or Dallas, Texas, USA

Full-time

TEKsystems is seeking multiple Remote IP Core Network Engineers to provide Core network monitoring and support to our Alaska based ISP. This will be a contract to hire engagement This resource will be 100% remote Description: Purpose of Position: Provides expertise and support of the local area IP Core Network including complex client-server environments. The position will provide operational monitoring, support, analysis, and systems administration. Install, configure, and support the organiz

Remote IP Core Network Administrator Nokia / Ciena

TEKsystems c/o Allegis Group

Remote or Atlanta, Georgia, USA

Full-time

TEKsystems is seeking multiple Remote IP Core Network Engineers to provide Core network monitoring and support to our Alaska based ISP. This will be a contract to hire engagement This resource will be 100% remote Description: Purpose of Position: Provides expertise and support of the local area IP Core Network including complex client-server environments. The position will provide operational monitoring, support, analysis, and systems administration. Install, configure, and support the organiz

Remote IP Core Network Administrator Nokia / Ciena

TEKsystems c/o Allegis Group

Remote or Little Rock, Arkansas, USA

Full-time

TEKsystems is seeking multiple Remote IP Core Network Engineers to provide Core network monitoring and support to our Alaska based ISP. This will be a contract to hire engagement This resource will be 100% remote Description: Purpose of Position: Provides expertise and support of the local area IP Core Network including complex client-server environments. The position will provide operational monitoring, support, analysis, and systems administration. Install, configure, and support the organiz

Cyber Technical Analyst Sr- TS/SCI w/Poly

General Dynamics Information Technology

Chantilly, Virginia, 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: Cyber Security Job Qualifications: Skills: Cybersecurity, Security Assurance, Security Policies Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Ensure the safety and security of our nation as a Cyber Technical Analyst Senior at G

Principal Network Engineer

Leidos

McLean, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Network Engineer 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 immediate ves

Technical Curriculum Developer - Network Security

PaloAlto Networks

Remote or Santa Clara, California, USA

Full-time

Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. We have the vision of a world where each day is safer and more secure than the one before. These aren't easy goals to accomplish - but we're not here for easy. We're here for better. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as com

Sr. Spclst , Cloud Engineering

Merck & Company Inc

Remote or Rahway, New Jersey, USA

Full-time

Job Description We are looking for an experienced and enthusiastic Senior Site Reliability Engineer to join our Agile Planning Product Team. As part of the DevXOps Product Line, you will enable product teams to deliver value faster to the business by improving platform services that accelerate agile development projects. You will design scalable solutions, create CI/CD pipelines, and implement automation to enhance reliability and efficiency. As a Senior Reliability Engineer, you will: Become

Network Administrator

General Dynamics

Norfolk, 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: Network Administration Job Qualifications: Skills: Encryption, Routing and Switching, Windows Desktop Operating Systems Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Check out this great opportunity to join one of GDIT's fastest long-standing growing p

Product Security Engineer

Costar Group

Arlington, Virginia, USA

Full-time

Product Security Engineer Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information a

Help Desk Lead

Leidos

Stafford, Virginia, USA

Full-time

The Leidos National Security Sector is looking for a Help Desk Lead, contingent upon contract award, to join our team in the Quantico, VA area. You will serve as the lead worker for the 3-tier Help Desk component of the Operations and Support Services program. This role requires daily onsite support at our Stafford, VA office. At Leidos, you'll join a team of innovators tackling some of the world's most critical challenges through cutting-edge technology and bold ideas. We foster a dynamic and

O&M Systems Engineer

SAIC

Reston, Virginia, USA

Full-time

Job ID: 2500881 Location: RESTON, VA, US Date Posted: 2025-03-10 Category: Information Technology Subcategory: IT 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 the

Cyber Technical Analyst Sr- TS/SCI w/Poly

General Dynamics Information Technology

Chantilly, Virginia, 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: Cyber Security Job Qualifications: Skills: Cybersecurity, Security Assurance, Security Policies Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Ensure the safety and security of our nation as a Cyber Technical Analyst Senior at GD

Siebel Engineer Lead Consultant

Allstate Insurance Company

Texas, USA

Full-time

National General is a part of The Allstate Corporation, which means we have the same innovative drive that keeps us a step ahead of our customers' evolving needs. We offer home, auto and accident and health insurance, as well as other specialty niche insurance products, through a large network of independent insurance agents, as well as directly to consumers. Job Description Primary Purpose: The Software Engineer Lead Consultant will be responsible for providing Level 2 and Level 3 production su

Senior Infrastructure Development Engineer

SAP Americas, Inc.

Reston, Virginia, USA

Full-time

We help the world run better At SAP, we enable you to bring out your best. Our company culture is focused on collaboration and a shared passion to help the world run better. How? We focus every day on building the foundation for tomorrow and creating a workplace that embraces differences, values flexibility, and is aligned to our purpose-driven and future-focused work. We offer a highly collaborative, caring team environment with a strong focus on learning and development, recognition for your i

Cloud System Administrator

Parsons Services Company

Fort Belvoir, 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 several levels of amazingly talented Cloud System Administrat