13 cybersecurity application security engineer jobs found

About Us Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. 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. Our mission is simple safeguard the digital world and empower people to work securely and confidently. Join us in our pursuit to defend data and protect people. How We Work At Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values Bold in how we dream and innovate Responsive to feedback, challenges and opportunities Accountable for results and best in class outcomes Visionary in future focused problem-solving Exceptional in execution and impact The Role Proofpoint is looking for a self-starting, responsible,...

Lensa is a career site that helps job seekers find great jobs in the US. We are not a staffing firm or agency. Lensa does not hire directly for these jobs, but promotes jobs on LinkedIn on behalf of its direct clients, recruitment ad agencies, and marketing partners. Lensa partners with DirectEmployers to promote this job for Lockheed Martin Corporation. Clicking "Apply Now" or "Read more" on Lensa redirects you to the job board/employer site. Any information collected there is subject to their terms and privacy notice. 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...

Reference #: 7462 About Us Working at the Naval Nuclear Laboratory we foster pride in belonging to an organization whose culture is made up of these core values: Trust, Empowerment, and Collaboration. Our company promotes a positive culture while ensuring the safety and reliability of our nation's naval nuclear reactors, and training the Sailors who operate those reactors in the U.S. Navy's submarines and aircraft carrier Fleets. Looking for a lifetime career? Apply today! Job Description The Naval Nuclear Laboratory's Developer Support Team is seeking an experienced engineer to help evolve and secure the containerized platforms that power software delivery across one of the nation's most critical engineering missions. If you're a senior technologist who loves building scalable platforms, thrives in Kubernetes and OpenShift environments, and wants to foster adoption of DevSecOps practices, this is a role where your expertise will truly matter. On this team, you'll shape the...

Job Description The Role GM's Cybersecurity Team safeguards the company's global information assets, networks, and infrastructure. Our mission is to proactively defend GM against evolving cyber threats through strategic leadership, technical excellence, and innovative risk management. We seek cybersecurity professionals with advanced expertise, capable of driving enterprise security initiatives and influencing organizational resilience. As a Senior Security Software Engineer, you will design, lead, and deliver secure, scalable integration services that connect our cyber ecosystem (SIEM, EDR, IAM, SSPM, CSPM, ITSM, cloud) and activate AI/LLM capabilities to accelerate detection, response, and risk management. You will drive architecture for critical services, mentor developers, and partner across SecOps, SOC, Platform, and Data teams to ship measurable outcomes. What You'll Do Own architecture & delivery for complex integration services (APIs,...

Senior IT Security EngineerRemote - United StatesJR012853 At Ensono, our Purpose is to be a relentless ally, disrupting the status quo and unleashing our clients to Do Great Things! We enable our clients to achieve key business outcomes that reshape how our world runs. As an expert technology adviser and managed service provider with cross-platform certifications, Ensono empowers our clients to keep up with continuous change and embrace innovation. We can Do Great Things because we have great Associates. The Ensono Core Values unify our diverse talents and are woven into how we do business. These five traits are the key to achieving our purpose. HONESTY, RELIABILITY, COLLABORATION, CURIOSITY, PASSION Role Summary The Senior Information Security Engineer is responsible for designing, implementing, and maintaining enterprise-level security solutions while providing technical leadership across the organization. This role supports global cybersecurity initiatives, leads...

Engineer 3, Software Development & Engineering Contribute to a team responsible for developing infrastructure as code using Terraform; perform CI/CD using ArgoCD; develop cloud-based software using AWS services including EC2, S3, EKS, SQS, SNS, RDS, and MemoryDB; automate workflows using Github Actions; maintain application security using cybersecurity tools including Snyk and SonarQube; write automation scripts using Python and Bash Shell scripting; manage Linux based systems; use Datadog for logging and metrics; store code using Github; support applications under development and customize current applications; assist with the software update process for existing applications, and roll-outs of software releases; analyze, test, and assist with the integration of new applications; document all development activity; research, write, and edit documentation and technical requirements, including software designs, evaluation plans, test results, technical manuals, and formal...

About Us: Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. 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. Our mission is simple: safeguard the digital world and empower people to work securely and confidently. Join us in our pursuit to defend data and protect people. How We Work: At Proofpoint you'll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values: Bold in how we dream and innovate Responsive to feedback, challenges and opportunities Accountable for results and best in class outcomes Visionary in future focused problem-solving Exceptional in execution and impact Proofpoint is looking for an Intern - Software Engineer to...

Overview At PNNL, our core capabilities are divided among major departments that we refer to as Directorates within the Lab, focused on a specific area of scientific research or other function, with its own leadership team and dedicated budget. Our Science & Technology directorates include National Security, Earth and Biological Sciences, Physical and Computational Sciences, and Energy and Environment. In addition, we have an Environmental Molecular Sciences Laboratory, a Department of Energy, Office of Science user facility housed on the PNNL campus. The?Energy and Environment Directorate (EED)?delivers?science and technology solutions for the nation's biggest energy and environmental challenges. Our more than 1,700 staff support the Department of Energy (DOE), delivering on key DOE mission areas including: modernizing our nation's power grid to maintain a reliable, affordable, secure, and resilient electricity delivery infrastructure; research, development,...

Job Description The Role GM's Cybersecurity Team safeguards the company's global information assets, networks, and infrastructure. Our mission is to proactively defend GM against evolving cyber threats through strategic leadership, technical excellence, and innovative risk management. We seek cybersecurity professionals with advanced expertise, capable of driving enterprise security initiatives and influencing organizational resilience. We are seeking a highly skilled Senior Cybersecurity Engineer with deep expertise in systems development, cybersecurity, and modern software engineering practices. This role requires a seasoned professional who can design, build, and maintain secure, scalable platforms while integrating advanced technologies such as AI and data enrichment into security operations. What You'll Do Platform Engineering & Development Design, develop, and maintain security-focused platforms using scripting languages, C++, and Rust....

Reference #: 7502 About Us Working at the Naval Nuclear Laboratory we foster pride in belonging to an organization whose culture is made up of these core values: Trust, Empowerment, and Collaboration. Our company promotes a positive culture while ensuring the safety and reliability of our nation's naval nuclear reactors, and training the Sailors who operate those reactors in the U.S. Navy's submarines and aircraft carrier Fleets. Looking for a lifetime career? Apply today! Job Description Join the Naval Nuclear Laboratory as a Linux Systems Administrator supporting cutting-edge High?Performance Computing (HPC) environments that drive critical engineering and research for the United States Navy. In this role, you will take ownership of administering, configuring, and optimizing Linux-based systems that power some of the Navy's most advanced projects.You will ensure systems meet rigorous security and compliance standards while maintaining exceptional performance, reliability,...

Job Description On behalf of VetJobs/MilitarySpouseJobs, thank you for your interest. We are assisting our partnering company, listed below, with this position. It is open to Veterans, Transitioning Military, National Guard Members, Military Spouses, Wounded Warriors, and their Caregivers. If you have the required skill set, education requirements, and experience, please click the submit button and follow for next steps. Job Identification 116606 Job Category Information Technology Posting Date 03/13/2026, 11:10 AM Locations 201 Isabella Street, Pittsburgh, PA, 15212, US (Hybrid) Job Schedule Full time LinkedIn Recruiter Tag Export-Controlled Data No Responsibilities The Deputy Chief Information Security Officer serves as a senior leader within the Global Cybersecurity Organization, responsible for driving enterprise‑wide security strategy, governance, and operational resilience across a complex, highly regulated aerospace manufacturing environment. This role...

Job Description Overview Architect, SCADA and Controls Engineering leads the strategy, architecture, engineering standards, and delivery enablement for data center controls systems across a global portfolio. This role drives the design and development of Building Management Systems (BMS), Electrical Power Monitoring Systems (EPMS), Building Automation Systems (BAS), and SCADA platforms to ensure safe, reliable, scalable, and efficient operations for large, high-availability and AI-infrastructure data center programs. This leader partners closely with Data Center Design/Build teams, Network and Security, Operations, Reliability Engineering, and key vendors to define repeatable reference architectures, govern designs through structured reviews, and ensure operational outcomes are achieved through design, commissioning and lifecycle support. Responsibilities Key Responsibilities: Architecture, Reference Designs, and Technical Standards Define and own...

Reference #: 7255 About Us Working at the Naval Nuclear Laboratory we foster pride in belonging to an organization whose culture is made up of these core values: Trust, Empowerment, and Collaboration. Our company promotes a positive culture while ensuring the safety and reliability of our nation's naval nuclear reactors, and training the Sailors who operate those reactors in the U.S. Navy's submarines and aircraft carrier Fleets. Looking for a lifetime career Apply today! Job Description The Simulator Enterprise Architecture (SEA) unit within Naval Training and Simulation (NTS) builds and maintains the complex information technology infrastructure, systems, and services that support mission-critical simulation training products deployed across diverse Naval facilities. As these systems become more sophisticated and interconnected, maintaining a resilient and responsive cybersecurity framework becomes increasingly essential. The successful candidate will be one of the...