Hardening jobs in Arlington, 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

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

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,

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Contract

Depends on Experience

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

Senior Network Administrator

Alexandria, Virginia

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Today

GovCIO is currently hiring a highly experienced Senior Network Administrator to serve as the technical authority for secure network infrastructure supporting a mission-critical U.S. Coast Guard (USCG) program. This position is located in Alexandria, VA and will be a hybrid position. This position focuses on administering, maintaining, and hardening high-security systems to ensure USCG operational readiness and continuous compliance with federal standards. Responsibilities The Senior Network Adm

Full-time

USD 95,000.00 - 115,000.00 per year

SME Network Administrator

Alexandria, Virginia

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Today

GovCIO is currently hiring a highly experienced SME Network Administrator to serve as the technical authority for secure network infrastructure supporting a mission-critical U.S. Coast Guard (USCG) program. This position is located in Alexandria, VA and will be a hybrid position. This position focuses on administering, maintaining, and hardening high-security systems to ensure USCG operational readiness and continuous compliance with federal standards. Responsibilities The SME Network Administr

Full-time

USD 130,000.00 - 150,000.00 per year

Sr. Systems Engineer

Washington, District of Columbia

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Today

Join a high-impact Enterprise Hosting Services team supporting secure hybrid infrastructure for a critical financial institution. This Sr. Systems Engineer role offers the opportunity to work across on-premises virtualization, AWS GovCloud, Kubernetes, automation, and emerging AI capabilities in a fast-moving environment. Responsibilities Design, implement, and support hybrid infrastructure across on-premises data centers and AWS GovCloud environments. Administer and optimize VMware vSphere an

Full-time

USD 33.00 - 67.00 per hour

Software Engineer

Fort Belvoir, Virginia

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Today

Job Number: R0248809 Software Engineer The Opportunity: As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to create a system that will make a difference, we need you on our team. We're looking for an experience d developer like you with the skills needed to develop sof tware and systems from vision to production-ready. This role is more than just coding. As a

Full-time

USD 69,400.00 - 158,000.00 per year

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

Senior Infrastructure Protection Analyst

Washington, District of Columbia

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Today

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse transforms the way government uses da

Full-time

Operations Strategy & Modernization Analyst

Washington, District of Columbia

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Today

Full-time

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

DNS SME

Hybrid in Fort Meade, Maryland

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Today

Job Title: Senior Network Engineer / DNS SME Location: Fort Meade, MD or Columbus, OH | Hybrid/Flexible Onsite | will consider candidates in other locations as well to work more remotely Employment Type: Contract-to-Hire Clearance: Must be eligible to obtain the required U.S. government security clearance; active clearance preferred. About the Role We are seeking a Senior Network Engineer with deep DNS expertise to help lead architecture, technical direction, and engineering standards for a mi

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Contract

$250000

Sr DevSecOps Engineer

Hybrid in Fort Meade, Maryland

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21d ago

DevSecOps Generalist Clearance: Secret Clearance or Higher Location: Ft Meade, Hybrid (2days a week on-site) Position Type: 6 months contract to hire Compensation Range: $75/hr. W2 Benefits Available Conversion Salary: Up to $145K annually, plus benefits Company Overview: System One IT is staffing a direct hire DevSecOps Generalist role for a leading innovator in the technology sector, specializing in the development and implementation of advanced virtual solutions. The companys mission is to

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Contract

$145000

Information Security Analyst

Washington, District of Columbia

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Today

Job Description Compensation & Benefits: Estimated Starting Salary Range for Information Security Analyst: Starting $95,000 Pay commensurate with experience. Full-time benefits include Medical, Dental, Vision, 401K, and other possible benefits as provided. Benefits are subject to change with or without notice. Information Security Analyst Responsibilities Include: Provide Information Technology General Controls (ITGC) testing to develop and execute software test plans to identify procedura

Full-time

USD 95,000.00 per year

Security Engineer

Laurel, Maryland

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8d ago

Job Title: Security Engineer Location:On-site 4 days/week in Herndon or remote options Type: Contract Compensation: Work Model: 1099; 1 year, up to 5 years possible Hours: 40 Security Clearance: Public Trust Tier 2 / MBI Monitor systems for abnormal activity. Analyze alerts, distinguish threats from false positives, categorize incidents by risk. - Lead incident response: containment, eradication, recovery, post-incident analysis, documenting steps. Optimize detection capabilities: refine alert

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Contract

Depends on Experience

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

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Contract

$61.5

VMware System Administrator

Washington, District of Columbia

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2d ago

Job Title: VMware System Administrator Location with zip code: Washington, DC Duration: Full Time Clearance Required: Active Secret Clearance Certification: CompTIA Security+ and Computing Certification Job Summary: We are seeking an experienced VMware Systems Administrator to support a secure enterprise virtualization environment at NDU. The role involves administering vSphere/ESXi infrastructure, keeping systems patched and hardened to DISA STIG standards, and supporting backup and disaster r

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Full-time

Depends on Experience

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

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Full-time

80,000 - 85,000

AWS Infrastructure Engineer | Secret Clearance

Arlington, Virginia

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20d ago

Join our Deloitte AI & Engineering team to transform technology platforms, drive innovation, and help make a significant impact on our clients' success. You'll work alongside talented professionals reimagining and reengineering operations and processes that are critical to businesses. Your contributions can help clients improve financial performance, accelerate new digital ventures, and fuel growth through innovation. Work you'll do As a Senior Engineering Management Specialist on the Governmen

Full-time

USD 131,000.00 - 218,300.00 per year

Hardening jobs in Arlington, VA 22203, USA