321 - 340 of 751 Jobs

Information Systems Security Officer (ISSO) - Andover, MA

RTX Corporation

Andover, Massachusetts, USA

Full-time

Date Posted: 2025-07-15 Country: United States of America Location: MA101: Andover MA 350 Lowell St Essex 350 Lowell Street Essex, Andover, MA, 01810 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 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation

Specialist, Cyber Intelligence (ISSO)

Harris Corporation

Rochester, New York, 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

Classified Systems Administrator

Aerospace Corporation

Huntsville, Alabama, USA

Full-time

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,

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

Network Architect

World Wide Technology

No location provided

Full-time

Bachelor's degree and minimum 8 years of experience in Networking and ATO Accreditation Must have Active DoD Secret clearance or higher 8140 and Security + Certification Familiarity with U.S. DoD & U.S. Air Force procedures and the Air Force Information Network (AFIN). Hands-on experience in network engineering and firewall management Experience with DoD cloud environments (e.g., Impact Level 4/5 systems). Familiarity with additional compliance tools (e.g., Nessus, ACAS). Minimum of 8 or more y

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

Information Systems Security Specialist III (Pending Contract Award) - SBG

Document Storage Systems Inc

Norfolk, Virginia, USA

Full-time

Job Details Level: Experienced Job Location: SBG - Norfolk VA - Norfolk, VA Position Type: Full Time Education Level: 4 Year Degree Salary Range: Undisclosed Travel Percentage: Up to 25% Job Shift: Day Job Category: Information Technology Description SBG, a DSS, Inc. company, specializing in engineering, information technology, cyber-security, intelligence, and training, is looking for a hard-working results-oriented Information Systems Security Specialist . We are seeking highly motivated in

Systems Eng - IT, Staff /Storage & VTC Solutions / Secret / Onsite: CO

Lockheed Martin Corporation

Littleton, Colorado, USA

Full-time

Job Description This position is within Lockheed Martin Enterprise Business and Digital Transformation (EBDT) Classified IT Transformation organization. It is chartered with transforming IT is delivery to Classified programs and environments. If you're looking for your next challenge in a fast paced, innovation-oriented group, look no further! Lockheed Martin recognizes the tremendous opportunity for significant advancement in the way Classified IT services are delivered to our Business Area p

Security Control Assessor

Apex Systems

Arlington, Virginia, USA

Full-time

Job#: 2082695 Job Description: Overview We are seeking a highly experienced Security Control Assessor (SCA) to provide expert-level cybersecurity assessment, compliance, and risk management support across the DoD SAP IT enterprise. This role is critical in guiding programs through the Risk Management Framework (RMF), validating security controls, and ensuring enterprise-wide adherence to DoD cybersecurity policies. The ideal candidate will bring deep technical knowledge, strong analytical skill

Cyber Security Analyst - TS/SCI with Polygraph

General Dynamics

Bethesda, Maryland, 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: Cyber Security Job Qualifications: Skills: Cloud:Amazon Web Services (AWS), Continuous Monitoring, Risk Management Framework (RMF), Standard Operating Procedure (SOP) Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Own your career

Information System Security Engineer 2

Realm One

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

Information Systems Security Manager (ISSM) I

General Dynamics Information Technology

Colorado Springs, Colorado, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Cybersecurity, Information Security, Information System Security, Security Evaluations Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: The ISSM's primary function serves as a principal advisor on

Cybersecurity Systems Analyst - Senior

Jacobs

Tampa, Florida, USA

Full-time

Performs assessment and authorization coordination. Advises and assists the customer with Risk Management Framework (RMF) and develops a Plan of Action and Milestones for resolving network deficiencies in accordance with DODI 8510.01 and ICD 503. The duties of this task include assessing network compliance against controls listed in NIST 800-53 and creating A&A packages. Performs assessment, compliance, and validation of IT systems to support the Cybersecurity program at USSOCOM, its Component

System Administrator

Booz Allen Hamilton

Montgomery, Alabama, USA

Full-time

Job Number: R0222958 System Administrator The Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Air Force's Legal Information Systems? We're looking for a system administrator who will harden and sustain multiple environments such as Windows, Linux, and application stacks, in accordance with DoD Security Technical Implementation G

Information System Security Officer (ISSO)

Redhorse Corporation

Fort Meade, Maryland, USA

Full-time

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse is seeking a highly skilled Informa

Network Systems Engineer

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2508099 Location: CHANTILLY, VA, US Date Posted: 2025-07-31 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is looking for an experienced Network Systems Engineer and administrator with background in configuring, maintaining, and troubleshooting cross-domain sys

Systems Engineer Manager

General Dynamics Information Technology

Virginia Beach, Virginia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Planning Ability, Project Management, Systems Engineering Certifications: CCNP - Cisco Experience: 5 + years of related experience ship Required: Yes Job Description: The Chief Engineer leads research, analysis, design, and development activities that will support evolut

Information System Security Engineer 3

Realm One

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

Cyber Security Analyst - TS/SCI with Polygraph

General Dynamics Information Technology

Bethesda, Maryland, 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: Cyber Security Job Qualifications: Skills: Cloud:Amazon Web Services (AWS), Continuous Monitoring, Risk Management Framework (RMF), Standard Operating Procedure (SOP) Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Own your career

Verification and Validation R&D Engineer

Katalyst Healthcares and Lifesciences

Marlborough, Massachusetts, USA

Full-time

Responsibilities: Designs, develops, and implements cost-effective methods of testing and troubleshooting systems and equipment. Prepares test and diagnostic plans/programs and infrastructure, designs test fixtures and equipment, and completes specifications and procedures for new products. Plans the labor, schedules, and equipment required for testing and evaluating standard and special devices. Lead and execute Verification and Validation (V&V) activities for disposable kit development. De