281 - 300 of 714 Jobs

Information Systems Security Manager / Officer (ISSM / ISSO)

General Dynamics

Hayward, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Assessment and Authorization (A&A), Information System Security, Risk Management, Vulnerability Management Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Information Systems Security Manager / Officer (ISSM / ISS

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

Lead, Information Security Systems Engineer (Secret Security Clearance)

Harris Corporation

Clifton, New Jersey, 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

Platform Systems Engineer/Architect, Associate Principal

American Systems Corporation

Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! Responsibilities As an Associate Principal Platform Systems Engineer/Architect, you will: Design, develop, and maintain scalable, secure computing platforms across cloud and on-pre

Information Systems Security Manager (ISSM) 2 - TS/SCI w/Poly

Jacobs

Fort Meade, Maryland, USA

Full-time

Your Impact: We are seeking an Information Systems Security Manager (ISSM) 2 for a prime contract that is based out of our Columbia, MD office. Responsibilities: Provide management support for a program, organization, system, or enclave's Information Assurance program. Provide management support for proposing, coordinating, implementing, and enforcing Information System Security policies, standards, and methodologies. Manage operational security posture for an Information System or program to

System Design/Architect Engineer

Kratos Defense and Security Solutions, Inc.

Colorado Springs, Colorado, USA

Full-time

Job Description Ready for What's Next? At Kratos, we encourage an entrepreneurial spirit balanced with fiscal and operational discipline. We work hard, we solve hard problems, and we look out for and take care of our customers, each other and our families. Protecting and enabling our nation and global customers through innovative aerospace solutions is what motivates us. We continually build trusted relationships with our peers, our partners and customers, and we take ownership for our actions-

SAP NS2 Senior Information Security Compliance Specialist

SAP Americas, Inc.

Herndon, Virginia, USA

Full-time

We help the world run better At SAP, we keep it simple: you bring your best to us, and we'll bring out the best in you. We're builders touching over 20 industries and 80% of global commerce, and we need your unique talents to help shape what's next. The work is challenging - but it matters. You'll find a place where you can be yourself, prioritize your wellbeing, and truly belong. What's in it for you? Constant learning, skill growth, great benefits, and a team that wants you to grow and succeed

Senior Network Engineer

Leidos

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Network 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 vestin

Associate, Info Sys Security Engineer (Greenville, TX)

Harris Corporation

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

Information Systems Security Officer (ISSO) (1 - 3 Years' Experience)

General Dynamics

Sterling Heights, Michigan, USA

Full-time

Job Description About the Position: Do you want to learn and grow in a great company? Do you want to join a team that protects a critical network of the best defense contractor in the country? GDLS is looking to hire an early career-level Information Systems Security Officer, the perfect place to challenge your Information Technology skills. Company Information: General Dynamics is a successful Fortune 100, global aerospace and defense company, with over 90,000 employees world-wide. General Dyn

Information Systems Security Officer (ISSO) Senior - TS/SCI w/Poly

Jacobs

Fort Meade, Maryland, USA

Full-time

Your Impact: Are you searching for a professional environment that encourages personal and educational development and dedication to the mission? Join a team of security experts who are dedicated to protecting and securing our customers' systems at both the enterprise and program level. Our specialists work closely with others in the RMF process to ensure the highest level of security for every system. Amentum is seeking an Information Systems Security Officer (ISSO) Senior for a prime contrac

Linux Systems Administrator (Tier I)

American Systems Corporation

Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is a 100% employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities This job requisition is for potential upcoming work at AMERICAN SYSTEMS and does not represent a current opening. Qualified candidates will be contacted when the work becomes available. As a Tier I Linux S

Information System Security Officer (ISSO)

Leidos

Marysville, California, USA

Full-time

Are you ready for a rewarding career opportunity? Unleash your potential at Leidos, where we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an

Mid Cybersecurity Engineer

Booz Allen Hamilton

San Diego, California, USA

Full-time

Job Number: R0223686 Cybersecurity Engineer, Mid The Opportunity: Are you looking for an opportunity to advance your experience in cybersecurity and security engineering that will safeguard our nation ? As a systems security and network security engineer, you can identify the tools, applications, and systems needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to develop and implement security solutions that will protect our military .

Cyber Security Engineer Staff

Lockheed Martin Corporation

King of Prussia, Pennsylvania, USA

Full-time

Job Description The coolest jobs on this planet or any other are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world. Every single day we use our unique skills and experiences to craft, design and build solutions to some of the worlds' hardest engineering problems. Our culture inspires employees to dream big, perform with excellence and build incredi

Senior Specialist, Cyber Infrastructure Systems Engineer TS/SCI- Vandenberg, CA

Harris Corporation

Lompoc, California, 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

Senior Information Systems Security Engineer

Leidos

Maryland, USA

Full-time

As a Senior Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the implementation and fielding of the National Leadership Command Capability in support of Nuclear Command, Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. The ISSE will perform in a consultant like role providing technical knowledge, expertise

Information System Security Officer (ISSO) - Tucson, AZ

RTX Corporation

Tucson, Arizona, USA

Full-time

Date Posted: 2025-07-29 Country: United States of America Location: AZ855: RMS AP Bldg M05 1151 East Hermans Road Building M05, Tucson, AZ, 85756 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: Top Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation

Jr. Linux System Administrator (TS/SCI)

Maxar Technologies Holdings Inc

Herndon, Virginia, USA

Full-time

Please review the job details below. Maxar is currently seeking a Jr. Linux System Administrator to join our team. This role will be performed in our Maxar facility located in Herndon, Virginia. As a Maxar team member, you will have the opportunity to closely support our mission partners, and your work will have a direct impact on mission imperatives. In this role, you'll work as part of our infrastructure team and you will work closely with our software development DevOps and cybersecurity tea

Cloud Cybersecurity Subject Matter Expert

Decisionpoint Corporation

US

Full-time

Overview DecisionPoint Corporation is seeking a highly skilled Cloud Cybersecurity Subject Matter Expert (CC SME) to provide comprehensive cyber leadership across a large-scale Department of Defense program supporting secure outreach, IT operations, and data systems. The CC SME will oversee cloud cybersecurity engineering and ensure full compliance with federal security frameworks, leading efforts related to risk management, incident response, vulnerability mitigation, and secure system integrat