221 - 240 of 648 Jobs

Cyber Security Systems Engineer

Lockheed Martin Corporation

Kirtland Air Force Base, New Mexico, USA

Full-time

Job Description What We're Doing: At Lockheed Martin Rotary and Mission Systems (RMS), we are driven by innovation and integrity. We apply the highest standards of business ethics and visionary thinking to push the boundaries of what's possible. As a Lockheed Martin employee, you will have the opportunity to contribute to groundbreaking projects that shape the future of Aerospace and Defense. We value your skills, training, and education, and we are committed to providing a supportive environm

Information Systems Security Manager, Classified Cybersecurity Manager

Lockheed Martin Corporation

Littleton, Colorado, USA

Full-time

Job Description Security Clearance: Current Final Secret to start with ability to obtain Top Secret clearance. The Classified Cybersecurity Manager will oversee the cybersecurity compliance of multiple national critical information systems. Responsibilities include: Lead Technical Security Operations: Oversee and direct day-to-day information system security operations, providing expert guidance on all technical security matters as the ISSM. Cyber Talent Management: Attract, retain, and develo

Linux Systems Engineer -Sr. Member Engineering Staff

Lockheed Martin Corporation

Moorestown, New Jersey, USA

Full-time

Job Description WHAT WE'RE DOING "We are leveraging emerging, digitally-enabled capabilities to lower cost, speed up development time and create original solutions to best serve our customers and stakeholders. We're bringing the 4th Industrial Revolution to every role in the company. Are you ready to invent the future? Lockheed Martin Rotary & Mission Systems is on a journey of digital transformation as we utilize our data, modernize our processes and advance technology to advance our position

Information Systems Security Engineer

BOOZ, ALLEN & HAMILTON, INC.

Warner Robins, Georgia, USA

Full-time

Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? You'll ensure requirements are effectively integrated into the system through purposeful security architecture, design, development, and configuration. You will coordinate changes or modifications with the appropriate Information System Security Manager ( ISSM ) and implement and enfor

PNT - Integration Engineer

Credence Management Solutions

Aberdeen, Maryland, USA

Full-time

Overview At Credence, we support our clients' mission-critical needs, powered by technology. We provide cutting-edge solutions, including AI/ML, enterprise modernization, and advanced intelligence capabilities, to the largest defense and health federal organizations. Through partnership and trust, we increase mission success for warfighters and secure our nation for a better future. We are privately held, are repeatedly recognized as a top place to work, and have been on the Inc. 5000 Fastest Gr

Network Systems Administrator

Battelle Memorial Institute

Columbus, Ohio, USA

Full-time

Battelle delivers when others can't. We conduct research and development, manage national laboratories, design and manufacture products and deliver critical services for our clients-whether they are a multi-national corporation, a small start-up or a government agency. We recognize and appreciate the value and contributions of individuals from a wide range of backgrounds and experiences and welcome all qualified individuals to apply. Job Summary We are looking for an experienced Network System

Cyber Range Event Engineer

Scientific Research Corporation

Eglin Air Force Base, Florida, USA

Full-time

Description Coordinating with the user(s) to manage objectives and the event's scopePerforming as a member of the Event Engineering Team (EET) and responsible for defining event objectives and translating user requirements into tasks for the event team to executeSupporting medium to large system deployments, including planning, designing, and evaluating software options, selecting operating systems and protocol suites, configuring media, and deriving requirementsDesigning, implementing, and tro

Senior Information Systems Security Officer

BlueHalo

Annapolis, Maryland, USA

Full-time

At BlueHalo, an AV Company, our Cyber experts operate at the mission's edge. Using advanced cyber techniques, our team of technologists and analysts employ capabilities spanning traditional computing environments to Internet of Things (IoT), including offensive and defensive cyber operations and analysis, signals intelligence (SIGINT) discovery, and data science. Our team is expanding to do the big things that have never been done before - the things the nation and the world are counting on us t

Project Manager, Senior

Decisionpoint Corporation

District of Columbia, USA

Full-time

Overview The Government Publishing Office (GPO) SecDevOps program provides advanced security, development, and operations support to safeguard federal information systems and infrastructure. This initiative integrates cybersecurity best practices with agile development and IT operations to ensure continuous security, compliance, and resilience across GPO's enterprise IT services. The mission is to protect and enable GPO's digital transformation by delivering secure, scalable, and reliable IT ser

Cybersecurity Assessment Technical Lead

Navigant Consulting

Washington, District of Columbia, USA

Full-time

Job Family: Cyber Consulting Travel Required: Up to 10% Clearance Required: Active Secret What You Will Do: Technical Leadership & Assessment: Lead comprehensive cybersecurity risk assessments of High Value Assets (HVA) systems including critical infrastructure, sensitive data repositories, and mission-essential systemsDesign and execute technical security evaluations using industry-standard frameworks (NIST Cybersecurity Framework, NIST RMF, ISO 27001, CIS Controls)Conduct cybersecurity vul

Information Systems Security Officer (ISSO)

Navigant Consulting

Springfield, Virginia, USA

Full-time

Job Family: IT Cyber Security Travel Required: None Clearance Required: Active Top Secret SCI (TS/SCI) What You Will Do: The ISSO will support a large IC client Security & Infrastructure Office with information and data security procedures and processes. Regular duties will include: Operate within cleared environments to perform Information Assurance specific activities for customer needs and timelines.Perform assessments of systems and networks within the networking environment and identify

Information System Security Officer

Lockheed Martin Corporation

Orlando, Florida, USA

Full-time

Job Description Lockheed Martin Enterprise Operations is seeking a Information System Security Officer to join our team's efforts in supporting and defending classified networks hosted at the corporate level. The Enterprise Operations team of cyber security professionals are Subject Matter Experts (SME) supporting Department of Defense (DoD) programs to ensure classified information systems meet cyber security requirements and government directives by auditing, detecting, analyzing and mitigati

Information Systems Security Manager

Textron, Inc.

Slidell, Louisiana, USA

Full-time

About This Role Provide information systems security support from a managerial and technical standpoint for DoD and Non-DoD classified systems and networks. Standing up and maintaining accreditations for classified systems and networks. Classified Systems & Networks range in complexity and size to include multi-platform computing (Linux, Windows, Solaris, VMWare), virtual environments, and mobile systems. Extensive experience with eMASS, JSIG DCSA DAAPM, DISA STIGs. Assemble and maintain securit

Cyber Security Project Engineer- TS/SCI w/ Polygraph

General Dynamics

McLean, Virginia, 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: Information Security Job Qualifications: Skills: Information Security Engineering, Information Systems Security Management, ISSO Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: At GDIT, people are our differentiator. As a Cyber Se

Sr. Information Security Analyst

General Dynamics

Tyndall Air Force Base, Florida, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Security Controls, Security Policies, Security Standards, System Audits, Vulnerability Assessments Certifications: None Experience: 7 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as an Information Security Analyst S

Senior Network Engineer - Must have an Active TS/SCI

Motion Recruitment Partners, LLC

Bedford, Massachusetts, USA

Full-time

A top-tier defense technology integrator is seeking a Network Engineering SME to architect and secure enterprise- and tactical-grade networks for a next-gen airborne communications program. This full-time, high-impact role will lead the design, validation, and deployment of multi-domain, secure networking solutions across SATCOM, software-defined radios, and software-defined networking (SDN). Active TS/SCI clearance required. In this role, you'll shape the architecture behind a major digital inf

Information Systems Security Engineer II (Onsite)

RTX Corporation

Sterling, Virginia, USA

Full-time

Date Posted: 2025-07-23 Country: United States of America Location: HVA34: Sterling, VA 22640 Davis Dr , Sterling, VA, 20164-7104 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Information Systems Security Engineer II (Onsite) Do you like video games? Have you ever wondered what it would be like to create yo

System/Network Administrator - Active TS/SCI Required

Viasat, Inc.

Carlsbad, California, USA

Full-time

About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do Keeping our systems, technology, and employees safe is a ke

Cybersecurity Lead (ISSO)

General Dynamics

Remote

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: MBI (T2) Job Family: Information Security Job Qualifications: Skills: Cyber Defense, Cybersecurity, Information Assurance, Information System Security, System Security Certifications: None Experience: 8 + years of related experience ship Required: No Job Description: Join GDIT where your work will improve outcomes for our Veterans. You will s

Senior Specialist, Network Plan Engineer

Harris Corporation

San Antonio, 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