Nessus jobs in California

Remote or Hybrid in Austin, Texas

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6d ago

Title: Nessus Subject Matter Expert (SME) Location: Austin, TX (Hybrid) / Remote (1 week onsite in a Quarter) Job Summary: We are looking for a Nessus Subject Matter Expert (SME) with specialized experience in Operational Technology (OT) security to lead vulnerability scanning, assessment, and mitigation efforts across both IT and OT environments. The ideal candidate will have hands-on expertise with Tenable Nessus and a strong background in securing SCADA networks, and other OT assets. Key Resp

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Full-time

Depends on Experience

AI Penetration Tester

Remote

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22d ago

Quality Assurance Tester (AI Red Team) Location: Remote Long term contract Job Description: Required: Minimum 5 years of penetration testing or red team operations experience.Computer science, information technology, or cybersecurity degree (Bachelor's or higher preferred) from an accredited college or university or equivalent work experience.Background in AI red teaming, web application pentration testing, application/network penetration testing, red team operations, or cyber security.Familiar

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Contract

$50 - $53

Security Engineer (Tenable / Purview)

Remote

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22d ago

Security Engineer (Tenable / Purview) DETAILS Location: Remote Position Type: 6M Contract (w/ likely extensions) Hourly / Salary: to $90W2+ (based on experience level) JOB SUMMARY Vaco is currently seeking a Security Engineer (Tenable / Purview) for a 6M Contract opportunity that is 100% remote. The Security Engineer (Tenable / Purview) must possess strong expertise in Tenable Vulnerability Management to address urgent patching, tooling cleanup, and remediation needs by the end of March, includ

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Contract

$100

Sr Principal Cybersecurity Analyst

Los Angeles, California

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Today

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: No Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atla

Full-time

USD 142,000.00 - 213,400.00 per year

Linux/Windows Senior Systems Administrator

San Diego, California

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Today

Job Description WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace and defense sector through groundbreakin

Full-time

USD 81,600.00 - 143,865.00 per year

Systems Engineer 3

Seal Beach, California

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Today

This posting is for a contract assignment and is not a full-time employment offer with Boeing. Candidates selected for roles will be employed as contract workers through a Boeing approved 3rd party for the duration of the specified project. Regular and predictable attendance is required Boeing Defense, Space and Security (BDS) Space, Intelligence and Weapon Systems (SI&WS) Ground and Mission Systems Engineering (GMSE) is looking for an Ground Systems Engineer to join our team in Seal Beach, Cali

Full-time

Information System Security Officer, Classified Cybersecurity

Sunnyvale, California

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Today

Job Description TS/SCI with ability to obtain a Counterintelligence Polygraph. This position will perform duties as a Classified Cybersecurity Information Systems Security Officer (ISSO) at the LM Space facility in Sunnyvale CA. Classified Cybersecurity professionals secure critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sust

Full-time

USD 93,200.00 - 164,450.00 per year

IT Systems Engineer, Sr (Classified) / Secret / Onsite: Palmdale, CA

Palmdale, California

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Today

Job Description Lockheed Martin is a leading technology-innovation company with > 100,000 employees, partners worldwide, and 570+ facilities spanning 70 countries. Headquartered in Bethesda, MD, we operate in all 50 states. Position Overview We are looking for an IT Systems Engineer Sr to join the team at our Palmdale site. The engineer will: Manage isolated (closed) environments for assigned programs Apply patches, implement DISA STIGs, and deploy infrastructure Perform systems administration

Full-time

USD 85,500.00 - 150,765.00 per year

Flight Test System Administrator

Edwards Air Force Base, California

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Today

Job Description We are Lockheed Martin We are seeking a highly motivated IT Systems Engineer to support mission critical flight test and simulation environments, including the Multi-ship Virtual Development Lab (MVDL). This role blends traditional enterprise IT administration with hands-on support of advanced simulator systems used in test and evaluation. The ideal candidate is comfortable working across Windows Server and Linux environments, excels at technical troubleshooting, and has exper

Full-time

USD 85,500.00 - 150,765.00 per year

Principal Cybersecurity Analyst

Remote or Baltimore, Maryland

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Today

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flig

Full-time

USD 108,800.00 - 163,200.00 per year

Senior Systems Engineer, IT Infrastructure

Remote or Hybrid in Manila, Metro Manila

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Today

Why Ryan? Flexible Work EnvironmentAward-Winning CultureWorld-Class Benefits and CompensationAccelerated Career PathCommunity OutreachMentorship OpportunitiesWellness-Centric Benefits The Senior Systems Engineer demonstrates superb technical competency and time management skills to deliver mission critical infrastructure and ensure the highest levels of availability, performance, and security. Duties and Responsibilities: People: Act as a technical reference for staff on existing and upcoming

Full-time

Information Systems Security Officer ISSO - Cyber Security - Level 2

Palmdale, California

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Today

Job Description Lockheed Martin Aeronautics. Be More Than You Can Imagine. Our customers include both the U.S. Military and international governments and organizations. Our global reach and technical depth offer an endless amount of opportunities for up-and-coming cyber security professionals seeking a place to make their mark -or for seasoned cyber security professionals seeking their next career challenge. Join us and see where your Lockheed Martin Aeronautics journey will take you. As an In

Full-time

USD 76,500.00 - 134,895.00 per year

Infrastructure/Security Manager

Oakland, California

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Today

Description We are seeking a hands-on Infrastructure and Security Manager to oversee and support a hybrid cloud and on-premise technology environment for a growing organization supporting government-related contracts. This Infrastructure and Security Manager role combines infrastructure operations leadership with cybersecurity compliance, ensuring systems remain secure, reliable, and aligned with CMMC and NIST frameworks. The ideal Infrastructure and Security Manager candidate brings strong exp

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Full-time

USD 70.00 - 80.00 per hour

Sr. RMF Security Engineer

San Diego, California

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Today

Leidos has a new and exciting opportunity for a Sr. RMF Security Engineer 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 vest

Full-time

USD 131,300.00 - 237,350.00 per year

Electronics Engineer - Early Career

Vandenberg Space Force Base, California

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Today

Job Description By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our em

Full-time

USD 57,500.00 - 101,430.00 per year

Linux System Administrator, Stf - TS/SCI W/Poly- Onsite: Sunnyvale, CA

Sunnyvale, California

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Today

Job Description This Classified IT Operations position supports Lockheed Martin Space. The selected candidate will be responsible for upgrades, operations and maintenance, hardware and software installations, and service requests (servers, workstations, containers, networking, and storage), as well as continuity of operations (backups and verified restore capabilities). In this position, the chosen candidate will utilize their system administration and architecture skills as primary IT support

Full-time

USD 104,500.00 - 184,115.00 per year

Cybersecurity Engineer II - Onsite El Segundo, CA

El Segundo, California

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Today

Date Posted: 2026-03-31 Country: United States of America Location: US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, the

Full-time

USD 75,800.00 - 144,200.00 per year

Classified Systems Administrator

Remote or Cambridge, Massachusetts

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Today

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas

Full-time

USD 75,000.00 per year

Advanced Information Assurance Engineer

San Jose, California

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Today

Basic Qualifications Education Requirements: Requires a Bachelor's degree in Engineering, or a related Science, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Clearance Requirements: Department of Defense TS/SCI security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classifi

Full-time

USD 155,496.00 - 164,000.00 per year

Sr. Classified Cyber Assurance Analyst

Hawthorne, California

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Today

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. CLASSIFIED CYBER ASSURANCE ANALYST SpaceX is seeking a senior classified cyber assurance practitioner to drive the SpaceX classified cyber assurance program forward. The program focuses on three major areas: Asses

Full-time

USD 125,000.00 - 175,000.00 per year

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Nessus jobs in California, USA