Nessus jobs in mclean, va

Washington, District of Columbia

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Today

MANTECH seeks a motivated, career and customer-oriented Information System Security Engineer (ISSE) to join our team in Washington, D.C., Chantilly, VA, Quantico, VA, or Huntsville, AL. Responsibilities include, but are not limited to: Identify information protection needs for an IS and Network Environment. Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirementsDesign security architectures for use within the IS and Network Environment. De

Full-time

Information Systems Security Officer (ISSO)

Herndon, Virginia

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Today

Altus Consulting Seeks an Information Systems Security Officer to Champion Cybersecurity If you find exhilaration in safeguarding digital assets and possess a deep understanding of cybersecurity frameworks and best practices, Altus Consulting invites you to explore this impactful opportunity. As our Information Systems Security Officer (ISSO), you'll become a pillar of our cybersecurity defenses, protecting client systems and their valuable data. The Mission At Altus Consulting, we understand t

Full-time

Sr. Control Assessment Analyst

Washington, District of Columbia

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Today

Join a high-impact Governance, Risk, and Compliance team supporting security authorization and compliance efforts for federal information systems. This role is ideal for an experienced security professional who enjoys managing RMF/ATO activities, strengthening documentation, and collaborating across technical and business teams to support a strong security posture. Responsibilities Support the full security authorization lifecycle for information systems under NIST RMF guidance Prepare, update

Full-time

USD 47.00 - 82.00 per hour

Systems Administrator

Reston, Virginia

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Today

Leidos has an opening for a Systems Administrator in Reston Virginia. Responsibilities include installation, configuration, administration, support and maintenance of systems, including associated hardware. Responsibilities may include management of systems infrastructures, implementing best practices to Identify and recommend system functional specifications, configuration of physical and virtual systems, backup and recovery of IT infrastructure. Support duties may include updating and supporti

Full-time

USD 73,450.00 - 132,775.00 per year

Senior Cloud Information System Security Engineer

Washington, District of Columbia

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Today

MANTECH seeks a motivated, career and customer-oriented Senior Cloud Information System Security Engineer (ISSE) to join our team in Washington, D.C., Chantilly, VA or Quantico, VA. Responsibilities include, but are not limited to: Identify information protection needs for an IS and Network Environment. Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirementsDesign security architectures for use within the IS and Network Environment. Desig

Full-time

Sr. Cybersecurity Analyst II (6688)

Washington, District of Columbia

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Today

As Sr. Cybersecurity Analyst II, you'll Provides a wide array of Information Technology (IT) oriented services to its 4,000 customers. These services include: incident and request support; conducting program analysis and studies; developing, operating, and maintaining IT systems and applications; maintaining vigilance with regard to information assurance including compliance with the Federal Information Security Modernization Act (FISMA). We know that you can't have great technology services wi

Full-time

USD 110,000.00 - 120,000.00 per year

Network Computer System Administrator

McLean, Virginia

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Today

Overview The Network Computer System Admin supports the United States (U.S.) Army C5ISR Center to develop advances within cyber defense research; advanced detection methods; sensor structure, data optimization, and sensor architectures; intrusion detection innovations, evaluation methods, attack behaviors, insider threat and adversarial threat predictions. Responsibilities Produce computing solutions derived from DoW security policies and regulations to ensure that the product design complies

Full-time

USD 137,710.00 - 164,037.00 per year

Senior Cloud Information System Security Engineer

Chantilly, Virginia

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Today

Full-time

Site Reliability Engineer (DevOps)

Reston, Virginia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 111,800.00 - 221,800.00 per year

System Administrator 3

Laurel, Maryland

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Today

Hands-on experience operating and administration of various Linux OS (i.e. RHEL9, Talos) Experience with building host image templates with automation tools (i.e. Terraform, Packer, SALT, Ansible, RHEL Satellite, Jumphost) Experience with Trellix Endpoint Security and Firewall, Nessus Security Center, UAM, rsyslog and auditd Working knowledge of DISA STIGs, CVEs, and IAVAs for STE/STN compliance Working knowledge of PKI infrastructure and authentication/authorization processes Working knowledge

Full-time

Cyber RMF/ATO Engineer

Remote or Tysons, Virginia

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Today

Overview The Cyber RMF/ATO Engineer is responsible for maintaining cybersecurity, RMF compliance, and ATO readiness for VA products and environments for the Department of Veterans Affairs (VA), Office of Information and Technology (OIT), Product Delivery Services (PDS), Benefits and Memorials (BAM), Memorial and Benefit Services (MBS) deliver secure, reliable, and effective Information Technology (IT) solutions that support the Department's mission. Responsibilities Ensures continuous monitor

Full-time

Systems Administrator

Herndon, Virginia

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Today

We are seeking a skilled and detail-oriented Systems Administrator to support and maintain enterprise Windows and Linux server environments in a fast-paced, mission-focused organization. This role is responsible for building, configuring, securing, and monitoring systems across virtual and physical infrastructures, while ensuring compliance with security and accreditation requirements. The ideal candidate brings strong technical expertise, a proactive troubleshooting mindset, and the ability to

Full-time

Linux System Administrator

Fort Meade, Maryland

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Today

MANTECH seeks an experienced and passionate, career and customer-oriented Linux System Administrator to join our team in Ft. Meade, MD. Responsibilities include but are not limited to: Creating and managing virtual environmentsSystems administration of hardware and software in support of maintenance, developing and testing of information technology systemsAdministration of Linux(i.e., Redhat/Rocky 8)Scripting with Basic Shell (Bash), PUTTYConfiguring and maintaining storage and file systemsDeve

Full-time

Jr. Information Security Officer (ISSO)

Bethesda, Maryland

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Today

Job Family: Cyber Engineering (CYE) Travel Required: Up to 10% Clearance Required: Active Top Secret SCI with Polygraph What You Will Do: The Information Systems Security Officer (ISSO) serves as the primary liaison between the system owner and the Information Systems Security Manager (ISSM). The ISSO is responsible for maintaining the appropriate operational security posture for assigned information systems and ensuring compliance with Federal Information Security Management Act (FISMA) req

Full-time

USD 100,100.00 - 150,400.00 per year

Senior Network Engineer (Laurel, MD)

Laurel, Maryland

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Today

**Active TS/SCI w/Polygraph REQUIRED** Please do not apply if you do not currently possess this level of clearance. Telework: None Basic Requirements: Security+ Cert 12 years of experience in the Information Technology field Bachelor's degree in a technical discipline 8 additional years of experience in the Information Technology field may be substituted for a degree Job Description: Designs, plans & oversees the implementation of voice, data, & video communication cable and hardware, e.g., swit

Full-time

USD 190,000.00 - 200,000.00 per year

Junior Systems Administrator

Germantown, Maryland

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Today

Overview Edgewater Federal Solutions is currently seeking a Junior System Administrator to provide support to the DOE Office of Environment, Health, Safety and Security (EHSS) contract located in Germantown, Maryland.This position is ONSITE. Responsibilities Maintain software/hardware inventory records.Perform purchasing duties from cradle to grave.Perform client hardware installation and support.Provide customer support for developed and maintained systems.Assist in the installation, operatio

Full-time

USD 75,000.00 - 85,000.00 per year

Information Systems Security Engineer

Reston, Virginia

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Today

Leidos is seeking an experienced Information Systems Security Engineer (ISSE) to lead the security architecture, design, and deployment of mission-critical applications across unclassified, classified, and corporate networks. This role is highly dynamic, requiring a security SME who can bridge network boundaries across DTRA, DIA, and corporate infrastructures leveraging AWS multi-region and hybrid cloud environments. The ideal candidate will design robust Cross Domain Solutions (CDS) and ensure

Full-time

USD 87,100.00 - 157,450.00 per year

Network Architect

Laurel, Maryland

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Today

MANTECH is seeking a motivated, career-driven, and customer-focused Network Architect to join our team in Laurel, MD. You will play a critical role in supporting the enterprise infrastructure capabilities for a global, mission-focused workforce. This position supports the high-visibility Enterprise Infrastructure Services (EIS) organization, responsible for the delivery and security of MPO?s Enterprise Information Technology (EIT), the foundation for enterprise-wide services. As a Senior Networ

Full-time

Systems Administrator (SA) - TS/SCI with CI Polygraph

McLean, Virginia

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Today

TITLE: Systems Administrator (SA) LOCATION: McLean, VA CLEARANCE REQUIRED: Active DoD TS/SCI with CI Polygraph EMPLOYMENT TYPE: Full-time, On-site POSITION SUMMARY Modern Government Solutions (MGS) is seeking a Systems Administrator (SA) to support the implementation, hardening, and maintenance of secure systems for mission-critical government programs. The SA will work alongside the program's ISSE and security team to implement technical controls, maintain system security posture, and supp

Full-time

Cybersecurity Engineer - Cloud

Chantilly, Virginia

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Today

Job ID: 2614831 Location: Chantilly, VA, US Date Posted: 2026-07-23 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, bringing deep expertise in how cutting edge

Full-time

USD 160,001.00 - 200,000.00 per year

Nessus jobs in McLean, VA, USA