nessus Jobs

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Principal, Cybersecurity Penetration TesterJob Title - Principal, Cybersecurity Penetration Tester

Fidelity InvestmentsCompany Name - Fidelity Investments

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Boston, Massachusetts, USA

Full-time

Job Description: The mission of the penetration testing team is to protect Fidelity's assets and our customers' livelihoods from the threat of exploitation by malicious adversaries. The penetration testing team does this by proactively identifying vulnerabilities in our systems and serving as subject matter experts to enable the business units to mitigate them in a positive, collaborative, innovative manner. Lead testing efforts on Fidelity's web and mobile applications and supporting systems.

Principal, Cybersecurity Penetration TesterJob Title - Principal, Cybersecurity Penetration Tester

Fidelity InvestmentsCompany Name - Fidelity Investments

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Westlake, Texas, USA

Full-time

Cyber Security Analyst - TS/SCI with PolygraphJob Title - Cyber Security Analyst - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Bethesda, Maryland, 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: Cloud:Amazon Web Services (AWS), Continuous Monitoring, Risk Management Framework (RMF), Standard Operating Procedure (SOP) Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Own your career

RMF Security EngineerJob Title - RMF Security Engineer

Apex SystemsCompany Name - Apex Systems

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Sierra Vista, Arizona, USA

Full-time

Job#: 2083401 Job Description: RMF Security Engineer The selected candidate will support the design, development, engineering, integration, and technical and operational support for the Department of Defense Information Network (DODIN). Specific duties include, but are not limited to the following: Providing technical, administrative, and operational leadership to assigned project or tasks.Providing technical, administrative, and operational management of assigned project or tasks, including con

Principal, Cybersecurity Penetration TesterJob Title - Principal, Cybersecurity Penetration Tester

Fidelity InvestmentsCompany Name - Fidelity Investments

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Merrimack, New Hampshire, USA

Full-time

Lead Network EngineerJob Title - Lead Network Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Maryland, USA

Full-time

Job Number: R0221945 Network Engineer, Lead Key Role: Serve as a lead network engineer responsible for supporting, engineering, and reengineering complex enterprise network infrastructure. Focus on enhancing network performance, security, and reliability across both data center and campus environments. Lead the resolution of high-impact network incidents and drive smooth transitions during system upgrades and infrastructure modernization. Apply advanced expertise in Cisco technologies-including

Network Engineer, LeadJob Title - Network Engineer, Lead

BOOZ, ALLEN & HAMILTON, INC.Company Name - BOOZ, ALLEN & HAMILTON, INC.

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Maryland, USA

Full-time

Network Engineer, Lead Key Role: Serve as a lead network engineer responsible for supporting, engineering, and reengineering complex enterprise network infrastructure. Focus on enhancing network performance, security, and reliability across both data center and campus environments. Lead the resolution of high-impact network incidents and drive smooth transitions during system upgrades and infrastructure modernization. Apply advanced expertise in Cisco technologies-including Identity Services Eng

National Security System (NSS) EngineerJob Title - National Security System (NSS) Engineer

Evolver FederalCompany Name - Evolver Federal

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Springfield, Virginia, USA

Full-time

Evolver Federal is seeking a National Security System (NSS) Engineer to support its Federal client in Springfield, VA in analyzing and mitigating risk for a portfolio of National Security Systems. The NSS Engineer will review and analyze system design and security architecture documentation as well as security documentation, including System Security Plans (SSPs) to identify areas of noncompliance with security requirements and security risk, also identifying discrepancies among documentation as

Linux Systems AdministratorJob Title - Linux Systems Administrator

LeidosCompany Name - Leidos

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Beavercreek, Ohio, USA

Full-time

Are you ready to make an impact? Leidos Chief Information Security team within the Digital Modernization sector is seeking an experienced Linux Systems Administrator to work onsite in Beavercreek, Ohio. You will bring Linux skills to perform testing, deploying, maintaining, and administering cyber systems across networks along with their infrastructure of hardware/software. Daily duties may include protecting, configuring and managing servers and computers systems, installing software and syste

Navy Qualified Validator (NQV) Security EngineerJob Title - Navy Qualified Validator (NQV) Security Engineer

LeidosCompany Name - Leidos

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Dahlgren, Virginia, USA

Full-time

Are You Ready for Your Next Challenge? Leidos is seeking a Navy Qualified Validator (NQV) Security Engineer with an active Secret clearance and direct Validator experience utilizing eMASS to join our team at the Naval Surface Warfare Center, Dahlgren, VA. About the Role As a Navy Qualified Validator, you will support the Naval Surface Warfare Center, Dahlgren Division Command by providing Validation Services and Sustainment Support for IT Systems/Networks Risk Management Framework (RMF) securit

Network AdministratorJob Title - Network Administrator

Decisionpoint CorporationCompany Name - Decisionpoint Corporation

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Page, Arizona, USA

Full-time

Overview DecisionPoint Corporation is seeking a Network Administrator to join our team to provide administration services including network assessment, network design, procurement, and deployment for the Department of Interior Bureau of Reclamation. This position is on-site/in-person position at Glen Canyon Power Plant, located in Page, AZ Duties & Responsibilities Responsible for managing and administrating the ICS network routers, switches, firewalls, and other networking hardware Responsible

Senior Principal Consultant - Security A&A Engineer (Clearance Required)Job Title - Senior Principal Consultant - Security A&A Engineer (Clearance Required)

Oracle CorporationCompany Name - Oracle Corporation

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Reston, Virginia, USA

Full-time

Job Description Must current hold and have the ability to maintain a TS/SCI with Poly. We are seeking a highly experienced and motivated Information Systems Security Analyst to join a new and exciting task order. The ideal candidate will play a critical role in assisting with driving all assessment & authorization (A&A) efforts for a new data platform. Working along side a team of technical engineers, this role requires both cybersecurity experience and technical saavy. In this role, you will

Sr. Systems Administrator TS/SCI PolyJob Title - Sr. Systems Administrator TS/SCI Poly

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a System Administrator 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 vesting,

Sr. Manager, Information Security Systems Engineer ($15,000 Sign On Bonus)Job Title - Sr. Manager, Information Security Systems Engineer ($15,000 Sign On Bonus)

L3Harris TechnologiesCompany Name - L3Harris Technologies

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Greenville, Texas, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Sr. System Administrator TS/SCI PolyJob Title - Sr. System Administrator TS/SCI Poly

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Network ArchitectJob Title - Network Architect

World Wide TechnologyCompany Name - World Wide Technology

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No location provided

Full-time

Bachelor's degree and minimum 8 years of experience in Networking and ATO Accreditation Must have Active DoD Secret clearance or higher 8140 and Security + Certification Familiarity with U.S. DoD & U.S. Air Force procedures and the Air Force Information Network (AFIN). Hands-on experience in network engineering and firewall management Experience with DoD cloud environments (e.g., Impact Level 4/5 systems). Familiarity with additional compliance tools (e.g., Nessus, ACAS). Minimum of 8 or more y

Cybersecurity AnalystJob Title - Cybersecurity Analyst

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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McLean, Virginia, USA

Full-time

Job Number: R0222878 Cybersecurity Analyst The Opportunity: Do you enjoy the thrill of the hunt? Are you motivated by the head-to-head challenge of gaining access to well-protected networks? As a Cybersecurity Analyst, you know that understanding the adversaries' tactics, techniques, and procedures are cru cia l to producing the intel that enables the success of mission owners. At Booz Allen, you can apply your knowledge of vulnerability analysis, network mapping, exploitation, defensive, and I

Splunk Security EngineerJob Title - Splunk Security Engineer

LeidosCompany Name - Leidos

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Suitland-Silver Hill, Maryland, USA

Full-time

Are you ready to turn your skills into real-world impact? Join Leidos as a Splunk Security Engineer in Suitland, MD and be at the forefront of mission-critical cybersecurity. From defending networks to building scalable automation, your work will shape the response and resilience of national operations. What You'll Do As a core member of our security engineering team, you will: Develop, maintain, and execute automated SOAR playbooks that interact across systems and devicesAnalyze log events, co

Sr. Cyber Security EngineerJob Title - Sr. Cyber Security Engineer

Swoon GroupCompany Name - Swoon Group

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Chicago, Illinois, USA

Full-time

Location: Chicago,Illinois Expected Start Date: Aug 4, 2025 Swoon is actively seeking a Sr. Cyber Security Engineer/Architect to join the team! or Permanent Resident/ are required - (Sponsorship and C2C is NOT available at this time or in the future) This is a 6+ month role What your day-to-day look like? Design and implement enterprise security solutions across cloud and on-premise environments Lead incident response, threat modeling, risk assessment, and vulnerability management initiatives

Computer Security Engineer -02122Job Title - Computer Security Engineer -02122

Syneren TechnologiesCompany Name - Syneren Technologies

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Alexandria, Virginia, USA

Full-time

Job Description: Syneren is currently seeking a Computer Security Engineer. Job Location: Alexandria (onsite) Key Responsibilities: Manage and maintain the Cybersecurity infrastructure (ACAS, Trellix, Sentinel, Defender for Cloud, ForeScout), including policy configuration, deployment, and monitoring. Administer and configure ACAS (Nessus) to perform vulnerability scanning, compliance assessments, and reporting across the enterprise. Monitor, analyze, and respond to cybersecurity threats and inc