Hardening jobs in Centreville, VA

Chantilly, Virginia

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Today

Job ID: 2617409 Location: Chantilly, VA, US Date Posted: 2026-09-29 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Senior Solution Engineer to fill a critical position on the LANDMARK AOS program. LANDMARK AOS is a large SETA contract responsible for t

Full-time

USD 160,001.00 - 200,000.00 per year

Senior DevSecOps Engineer

Reston, Virginia

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Today

Responsibilities Noblis is looking for a highly experienced DevSecOps Engineer with an active Top Secret/SCI clearance with Polygraph to support critical national security missions. In this role, you will embed security practices into the DevOps lifecycle, ensuring security is integrated at every stage of software development. You'll collaborate across development, operations, and security teams to close gaps and promote a culture of shared accountability for security. The ideal candidate bri

Full-time

USD 120,700.00 - 188,725.00 per year

Database Administrator

Suitland-Silver Hill, Maryland

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Today

Job ID: 2617860 Location: Suitland, MD, US Date Posted: 2026-10-13 Category: Information Technology Subcategory: Database Admin Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description ?Varen, an SAIC company is seeking an experienced Database Administrator to join our team. This position in located in Suitland, MD and requires an active TS/SCI with polygraph to

Full-time

USD 160,001.00 - 200,000.00 per year

Security Engineer - HashiCorp Vault

Manassas, Virginia

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Today

Location: Manassas, VA Salary: $70.00 USD Hourly - $80.00 USD Hourly Description: The Judge Group's direct client in the financial services industry is seeking a Senior Security Engineer (HashiCorp Vault) for a hybrid opportunity in Culpeper, VA or Manassas, VA. In this role, you will be responsible for the administration, security, automation, and support of HashiCorp Vault Enterprise environments. You'll work closely with infrastructure, security, and application teams to deploy, integrate,

Contract

USD 70.00 - 80.00 per hour

Cloud Engineer

Chantilly, Virginia

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Today

Job ID: 2616708 Location: Chantilly, VA, US Date Posted: 2026-09-10 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_HYBRID Description SAIC is a trusted leader in delivering advanced command and control capabilities across the Department of the Air Force. We bring deep expertise in engineering, secu

Full-time

USD 120,001.00 - 160,000.00 per year

Cybersecurity Engineer - Cloud

Chantilly, Virginia

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Today

Job ID: 2616492 Location: Chantilly, VA, US Date Posted: 2026-09-03 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_HYBRID Description SAIC is a trusted leader in delivering advanced command and control capabilities across the Department of the Air Force. We bring deep expertise in engineering, secu

Full-time

USD 160,001.00 - 200,000.00 per year

Avaya Cybersecurity / Vulnerability Assurance Specialist

Hybrid in Bethesda, Maryland

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Today

3Core Systems, Inc is an SAP and Success Factors Partner with employees located across the United States. Our organization is dedicated to customer and employee satisfaction. We provide High Quality, Cost efficient and Competitive Solutions and Resources. 3Core Systems is looking for Avaya Cybersecurity / Vulnerability Assurance Specialist for one of our clients in Springfield, VA, Bethesda, MD, or Colorado Springs, CO (Remote & Bi-weekly travel required) with experience in Avaya Aura ecosystem,

Easy Apply

Contract

Depends on Experience

Systems Engineer III

Fort Belvoir, Virginia

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Today

Description: On-site in Fort Belvoir, VA Our client seeks a Systems Engineer to integrate enterprise networking, data center virtualization, and cyber compliance within defense signal and communications environments. The role will plan and support administration, hardening, and troubleshooting of multi-enclave IP networks (ICAN/AGUN/GSN), virtualized compute clusters, and storage infrastructure aligned to DoW and DISA security standards. The engineer will communicate complex technical challen

Contract

Systems Engineer Expert

Herndon, Virginia

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Today

Job Description Systems Engineer - Expert This position requires an active TS/SCI with Polygraph clearance to be considered. Cherokee Preting is seeking an experienced Systems Engineer - Expert will integrate, secure, monitor, and troubleshoot enterprise data, network, and cloud environments. This role requires strong experience with data pipelines, Splunk, network and log analysis, automation, cybersecurity controls, and complex multi-enclave systems. Compensation & Benefits: Estimated Sta

Full-time

USD 230,000.00 - 240,000.00 per year

Cross Domain Solutions Principal Engineer

Springfield, Virginia

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Today

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies - collaborating with industry and academia to deliver in

Full-time

USD 172,800.00 - 216,000.00 per year

Linux Systems Administrator

Sterling, Virginia

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Today

Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI is seeking a hands-on Linux Systems Administrator to join our Infrastructure Team supporting our family of Electronic Warfare (EW) systems. Support our end-to-end Linux environment, including engineering workstations, buil

Full-time

USD 86,600.00 - 181,800.00 per year

Senior Linux/Unix Systems Engineer

Hybrid in Washington, District of Columbia

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Today

Job Title: Senior Linux/Unix Systems Engineer Location: Washington, District Of Columbia Type: Contract Compensation: $60-70/hr W2 Work Model: Hybrid (onsite at least 2 times per week) Hours: Monday through Friday, 8:00 a.m. to 5:00 p.m. EST, with occasional overtime, weekend work, or after-hours response to critical outages and scheduled maintenance windows. Security Clearance: able to obtain a Public Trust Clearance Responsibilities Own engineering and architecture decisions for the RHEL and O

Easy Apply

Contract

$61.5

Network Security Engineer

Reston, Virginia

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23d ago

Replacing F5 environments Migrating configurations Transitioning between hardware platforms Patching Evaluating patches Implementing patch strategies Managing lifecycle decisions Security Hardening F5 configurations Ensuring secure deployments Evaluating risks Automation Terraform deployment Infrastructure as Code Automated provisioning Troubleshooting Solving complex production issues Root cause investigations Independent problem resolution The expectation is that the individual c

Easy Apply

Full-time

80,000 - 85,000

Systems Administrator

Chantilly, Virginia

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Today

Position Overview Razor is seeking a Systems Administrator to support critical web infrastructure projects in Chantilly, VA. This role will support Linux server environments, production-grade AWS infrastructure, web applications, and relational database systems. Location Chantilly, VA 20151 Clearance Requirements ctive TS/SCI clearance with a polygraph required. Responsibilities Perform Linux server maintenance, patching, configuration management, and system hardening. Design, implement, and ma

Full-time

USD 145,000.00 - 180,000.00 per year

Principal Systems Administrator

McLean, Virginia

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Today

Leidos has a new and exciting opportunity for a Principal Systems Administrator in our Intel Sector's (IS) Solutions Analysis Business Area (ASBA). 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 vesting, F

Full-time

USD 116,350.00 - 210,325.00 per year

Python Developer - Systems Engineer

Chantilly, Virginia

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Today

Overview Python Developer - Systems Engineer Chantilly, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it's architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams. Our Mission Services division combines enterprise IT, cloud solutions, DevSecOps, systems engineering, software development, and operational suppor

Full-time

USD 185,000.00 - 225,000.00 per year

(Cyber) Incident Management Analyst - 1st Shift

Arlington, Virginia

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Today

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

Full-time

USD 77,000.00 - 163,000.00 per year

Systems Engineer III - PM IEN

Fort Belvoir, Virginia

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Today

Candidates must have an active Secret clearance and verify, before applying, that you meet the minimum requirements of the position. Systems Engineer Location: Fort Belvoir, VA Focus: Supporting CPE C2IN, PM Integrated Enterprise Network (PM IEN) Clearance: DoD Secret minimum Salary: 120K-170K Annual; Commensurate with education/experience Core Responsibilities The Systems Engineer is to serve as a key technical integrator bridging enterprise networking, data center virtualization, and cyber co

Full-time

USD 120,000.00 - 170,000.00 per year

(Cyber) Incident Management Analyst - Weekend Day Shift

Arlington, Virginia

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Today

Full-time

USD 77,000.00 - 163,000.00 per year

(Cyber) Incident Management Analyst - 3rd Shift

Arlington, Virginia

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Today

Full-time

USD 99,000.00 - 206,000.00 per year

Hardening jobs in Centreville, VA, USA