May 27, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. The RMF Security Engineer will guide the project through the RMF lifecycle, which includes categorizing information systems based on risk, selecting and implementing appropriate security controls (per NIST SP 800-53 or DoD-specific requirements), and assessing those controls for effectiveness.
li>Collaborate closely with cross-functional teams within the engineering organization to ensure the test framework successfully integrates and thoroughly evaluates all interfaces between hardware and software, as well as the overall operational performance of the system. In this role, you'll be at the forefront of designing, developing, and integrating a next-level automated test framework in Python utilizing automation tools and concepts to ensure the correctness and resilience of next generation DoW cryptographic solutions.
San Diego, CA30+ days ago
p>Our DevSecOps Engineering Center of Excellence R&D department is looking for a Security Engineer experienced in medical device or instrumentation security and systems to join our team, pivotal in building and enhancing security in our products and services. As a Product Security Engineer 3, you will be involved in our Hologic diagnostics products and responsible for:
- Monitoring the industry for newly identified threats to cybersecurity and assessing the risk to Hologic products.
San Diego, CA30+ days ago
p>Anduril's Application and Security Engineering team is looking for a Staff Security Engineer to focus on Identity and Access Management and build and maintain world class defensive controls to protect the systems we use to build our advanced defense technology products. To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind:
No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process.
San Diego, California18 days ago
li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">May support systems undergoing the acquisition lifecycle by assessing cybersecurity risks, identifying vulnerabilities, and recommending mitigation strategies in accordance with RMF and NAVAIR guidance.
Serve as the primary and sole on-site cybersecurity resource, independently managing assigned tasks, priorities, and deliverables while coordinating with off-site team members and government stakeholders.
Carlsbad, California14 days ago
ul style="margin-bottom:0in;color:#000000;font-weight:400">Provide hands-on technical leadership in designing, developing, and validating secure system architectures, communications networks, and security controls. Experienced in environments which are subject to regulatory frameworks such as FedRAMP, CMMC, HIPAA, PCI-DSS, or SOC 2. Familiar with zero-trust architecture principles and practical implementation challenges.
San Diego, California17 days ago
Overview: The Sr, IT Security Engineer, is responsible for protecting the organization’s network infrastructure and applications from security threats, including software piracy, DDoS attacks, and malicious bot activity. The ideal candidate will have hands-on experience with Rapid7, F5 technologies, and Splunk, as well as expertise in web application security, anti-piracy measures, scripting for automation, and collaboration using modern team tools.
Aliso Viejo, CA30+ days ago
With more than 300 million tickets available annually on our platform to events around the world -- from sports to music, comedy to dance, festivals to theater -- StubHub offers the safest, most convenient way to buy or sell tickets to the most memorable live experiences. From fans selling a single ticket to the promoters of a worldwide stadium tour, we want StubHub to be the safest, most convenient way to offer a ticket to the millions of fans who browse our platform around the world.
Aliso Viejo, California30+ days ago
div class="section page-centered">Location: Hybrid (3 days in office/2 days remote) – New York, NY or Century City, CA or Aliso Viejo, CA
About the team: The Edge Services team at StubHub owns the platform that powers our global content delivery and edge security posture. With more than 300 million tickets available annually on our platform to events around the world -- from sports to music, comedy to dance, festivals to theater -- StubHub offers the safest, most convenient way to buy or sell tickets to the most memorable live experiences.
Learn more about Viasats comprehensive benefit offerings that are focused on your holistic health and wellness at https://careers.viasat.com/benefits. For specific work locations within San Jose, the San Francisco Bay area and New York City metropolitan area, the base pay range for this role is $205,000.00- $307,000.00/ annually.
San Diego, CA30+ days ago
Most recently, we were recognized Stevie Employer of the Year 2025, SIA Best Staffing Firm to work for 2025, Inc 5000 Best Workspaces in US (2025 & 2024) and Glassdoor's Best Places to Work (2023 & 2022)! This role involves actively participating in a threat intelligence and security operations function, focusing on critical tasks like takedown programs and backlog reduction.
Manage Faro's vulnerability management program, including triaging findings from infrastructure scans, SAST, DAST, and SCA tools, tracking remediation against established SLAs and coordinating with engineering on fixes. Contribute to the security of Faro's AI-powered products, including evaluating risks related to prompt injection, data leakage between tenants, model output safety, and retrieval-augmented generation (RAG) integrity.
li>Technical Proficiency: Deep expertise in vulnerability management and remediation, including experience with tools like Nessus, Qualys, or Rapid7, and the ability to manage sophisticated patch lifecycles across diverse OS environments (Linux, Windows, etc.). For specific work locations within San Jose, the San Francisco Bay area and New York City metropolitan area, the base pay range for this role is $189,500.00- $284,500.00/ annually.
Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows.
San Diego, California30+ days ago
li>Experience with network engineering functions, including Windows, Linux, and virtual operating systems, security tools, platforms, and technologies, including network and web application firewalls, web proxy, intrusion prevention systems, vulnerability scanners, and penetration tools.
Ability to devise and execute client deliverables, work independently, identify problems and devise analysis and solutions, communicate results to both technical and non-technical audiences, and lead the accomplishments of client tasks from inception to completion .
San Diego, Suite 200, California20 days ago
Innovative Defense Technologies (IDT), a leading defense technology company, is seeking a
Software Engineer to be part of our Engineering team and based out of our Arlington, VA, Mount Laurel, NJ, or San Diego, CA location. *Pursuant to California
Senate Bill 1162, IDT is required to disclose the “pay scale” or “pay range” associated with a job posting.
San Diego, Suite 200, California20 days ago
Innovative Defense Technologies (IDT), a leading defense technology company, is seeking a
Senior Software Engineer to be part of our Engineering team and based out of our Arlington, VA, Mount Laurel, NJ, or San Diego, CA location. *Pursuant to California
Senate Bill 1162, IDT is required to disclose the “pay scale” or “pay range” associated with a job posting.
Escondido, CA30+ days ago
p>Under direction, leads, oversees, and participates in the more complex and difficult work of staff responsible for providing support in the development, installation, implementation, testing, evaluation, and administration of the Citys local and wide area networks; installs, configures, test and supports a variety of network components and devices; performs preventative maintenance on network segments and components; provides liaison and technical assistance to Network Systems Engineer, Network Systems Technicians and end users; installs and troubleshoots advanced and complex software and hardware configurations; and consults with department representatives to determine hardware/software requirements and develops specifications; and performs a variety of technical tasks relative to assigned areas of responsibility. Oversees and participates in investigating, analyzing and resolving complex network-related problems; resolves compatibility problems across City networks; troubleshoots network failures, router problems and telecommunications problems; recommends and implements changes and improvements.
Escondido, CA30+ days ago
p>Under general direction, provides support in the development, installation, implementation, testing, evaluation, and administration of the Citys local and wide area networks; installs, configures, tests and supports a variety of network components and devices; performs preventive maintenance on network segments and components; provides liaison and technical assistance to Network Systems Technicians and end users; installs and troubleshoots advanced software and hardware configurations; and consults with department representatives to determine hardware/software requirements and develops specifications. Investigates, analyzes and resolves complex network-related problems; resolves compatibility problems across City networks; troubleshoots network failures, router problems and telecommunications problems; recommends and implements changes and improvements.
San Diego, CA30+ days ago
This position will assist with strategic initiatives for short and long-term plans to identify and reduce the attack surface across cloud, SaaS and on premises applications and systems, which may include support for AI/ML platforms such as data pipelines, model development environments, and model serving infrastructure. Direct experience using advanced technologies such as Intrusion Detection & Prevention Systems (IDS/IPS), Firewalls, SIEM, Antivirus software, Network Packet Analyzers, content filtering, Malware analysis and forensics tools to detect intrusions.
p>To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.
CTI-Driven Threat Hunts: collaborate closely with the Cyber Threat Intelligence (CTI) team to analyze relevant intel, extract actionable insights, and detect potential Indicators of Compromise (IoC) associated with Advanced Persistent Threats (APTs). Documentation: capture all investigative, response, and remediation activities within the case management platform Ensure each case includes a detailed triage, captured artifacts, and any IOCs to support clear tracking of security team efforts of associated tasks.