Antivirus jobs in McLean, VA

Vienna, Virginia

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Today

IT Antivirus Engineer Remote Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Skills Required: Defender Performance Troubleshooting o Diagnose and resolve performance issues related to Microsoft Defender. o Review and interpret Client Analyzer logs. o Utilize tools such as ProcMon, MpPerformanceRecording, and similar for root cause analysis. o Recommend tuning strategies for Defender configurations to minimize resource impact. Policy Configuration & Deployment o

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Contract

Antivirus Engineer

Vienna, Virginia

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Today

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Full-time

Antivirus Engineer

Vienna, Virginia

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Today

Antivirus Engineer A Fortune 50 financial services company is seeking a highly motivated Antivirus Engineer for our client in the McLean, Virginia area. Overview: We are seeking an experienced Antivirus Engineer to support enterprise endpoint security operations, with a focus on Microsoft Defender, policy configuration, troubleshooting, and telemetry validation across large-scale environments. This role partners with engineering, cybersecurity, and operations teams to ensure optimal endpoint

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Contract

$60 - $66 per hour

Red Cyber Operator

Maryland

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Today

Job Title: Red Cyber Operator Location: Ft. Belvoir / Lorton, VA - Onsite Role Type: Contract to Hire Clearance Required: Top Secret Opportunity Overview: This role offers the opportunity to support a mission-critical cyber red team, conducting offensive cyber operations and adversary emulation against enterprise and operational networks. Operators engage in hands-on red team assessments, penetration testing, and social engineering campaigns to identify and exploit real-world vulnerabilities.

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Contract

Red Cyber Operator

Maryland

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Today

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Full-time

Senior Network and Computer Systems Administrator

Arlington, Virginia

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Today

Overview AMERICAN SYSTEMS is seeking a Senior Network and Computer Systems Administrator to join the NISSC3 Mission at The Pentagon. Step into the iconic halls of America's command center as part of the NISSC contract team. Here, your work safeguards national security and enables top-tier operations for the Department of Defense. Support and advance the NISSC mission, powering critical command, control, and communications that impact global defense. At the very heart of American strategy, be

Full-time

USD 108,100.00 per year

CNO Remote Delivery Operator

Remote or Quantico, Virginia

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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 Corporation is seeking a CNO Remote

Full-time

Deskside Technician

Washington, District of Columbia

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Today

Job ID: 2512204 Location: WASHINGTON, DC, US Date Posted: 2025-12-09 Category: Wage Determination (SCA) Subcategory: Service Contract Act Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: No Description SAIC is hiring a Deskside Support Technician to support HHS in Washington, DC. Job Description: The Desktop technician will provide ongoing support to Executives and employees a

Full-time

USD 40,001.00 - 80,000.00 per year

Cybersecurity Analyst

Maryland

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Today

Description & Requirements Maximus is seeking a Cybersecurity Analyst to support a federal client in maintaining compliance and strengthening the security posture of mission-critical systems. As part of our dedicated team, the Security Compliance Analyst will ensure adherence to government security requirements, manage Plans of Action and Milestones (POA&Ms), and support ongoing risk and vulnerability management activities vital to safeguarding critical systems and data in defense of our Homelan

Full-time

USD 80,000.00 per year

Junior Cybersecurity Analyst

Maryland

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Today

Description & Requirements Maximus is seeking a Junior Cybersecurity Analyst to support a federal client in maintaining compliance and strengthening the security posture of mission-critical systems. As part of our dedicated team, the Junior Cybersecurity Analyst will ensure adherence to government security requirements, manage Plans of Action and Milestones (POA&Ms), and support ongoing risk and vulnerability management activities vital to safeguarding critical systems and data in defense of our

Full-time

USD 60,000.00 per year

Senior Information Systems Security Engineer (Government)

Reston, Virginia

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Today

Job Description: This position requires office presence of a minimum of 5 days per week and is only located at customer's site. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. TAC2O (T

Full-time

USD 98,100.00 - 206,000.00 per year

MECM Engineer - Hybrid Work Opportunity

Remote or Arlington, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Microsoft Windows, System of Systems Engineering, Systems Design Certifications: CompTIA Security+ CE | CompTIA - CompTIA Experience: 5 + years of related experience ship Required: Yes Job Description: Advance how our customers operate while you advance y

Full-time

USD 119,000.00 - 161,000.00 per year

Information System Security Engineer (ISSE) - TS/SCI with Polygraph

McLean, Virginia

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Today

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 and IT Risk Management Job Qualifications: Skills: Amazon Web Services (AWS), Information Technology Security, Risk Management Framework Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a perso

Full-time

USD 182,882.00 - 247,428.00 per year

Security Consultant - HIPAA / NIST CSF

Remote or New York, New York

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Today

Security Consultant HIPAA / NIST CSF Our client is seeking a Security Analyst Consultant to join their company for a part-time contract position that is remote capable. The Security Analyst will lead client-facing security assessments and HIPAA/NIST CSF compliance reviews scoping engagements, evaluating controls, conducting tabletop exercises, and delivering clear remediation guidance. Location: RemoteCompensation: This job is expected to pay about $65-70/HR W2 plus benefits What You ll Do: Con

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Contract

USD65 - USD65

Senior Threat Intelligence Research Engineer

Remote or Sunnyvale, California

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Today

Job Description Join Fortinet, a cybersecurity pioneer with over two decades of excellence, as we continue to shape the future of cybersecurity and redefine the intersection of networking and security. At Fortinet, our mission is to safeguard people, devices, and data everywhere. We are currently seeking a dynamic Senior FortiGuard Sales Engineer to contribute to the success of our rapidly growing business. FortiGuard SE team is a special strategic engagement team, specialized in FortiGuard su

Full-time

USD 245,000.00 - 312,000.00 per year

System Administrator

Fort Belvoir, Virginia

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Today

System Administrator Ft. Belvoir, VA Join our Talent Network Systems Administrator Ft. Belvoir, VA C-CHR-24-036 TheSystem Administratorwill resolve issues with hardware, operating systems, desktop applications, telephones, and network-attached printers. Duties and Responsibilities: Install new software releases and system upgrades, evaluate and install software patches, and resolve software-related issues. Maintain data files and monitor system configuration to ensure data integrity. Monitor se

Full-time

Information Security Analyst Advisor- Il6 (Azure Security Senior Engineers/ ATO/Tools) DC Metro Area

Remote or District of Columbia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Cyber and IT Risk Management Job Qualifications: Skills: Cybersecurity, Information Security, Information Technology Security, System Security Certifications: CompTIA Security + certified (DoD 8570 IAT Level II) - CompTIA - CompTIA Experience: 10 + years of related experience ship Required: No Job Description: Information

Full-time

USD 129,200.00 - 174,800.00 per year

System Administrator

Oakton, Virginia

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Today

System Administrator Oakton, VA Information Technology Join our Talent Network Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you seeking a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take you

Full-time

Systems Administrator

Springfield, Virginia

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Today

Type of Requisition: Pipeline 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: IT Infrastructure and Operations Job Qualifications: Skills: Information Technology (IT), Linux, System Administration Certifications: CompTIA Security+ CE | CompTIA - CompTIA Experience: 1 + years of related experience ship Required: Yes Job Description: At GDIT, people are our di

Full-time

USD 71,445.00 - 96,661.00 per year

IT Field Support Specialist (HT2) (Government)

Columbia, Maryland

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Today

Job Description: This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to

Full-time

USD 71,000.00 - 87,900.00 per year

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Antivirus jobs in McLean, VA, USA