341 - 360 of 702 Jobs

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

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,

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

Cloud Architect

Akima, LLC

Alexandria, Virginia, USA

Full-time

Suvi Global Services is seeking an experienced Cloud Architect with Azure expertise to lead the design and implementation of secure, scalable, and mission-aligned cloud infrastructure. This role is critical to the modernization and transformation of the government's IT systems into hybrid and cloud-native environments. The ideal candidate will have deep technical knowledge of Microsoft Azure and a strong understanding of government security and compliance requirements. Working closely with cyber

Network Architect - Onsite - (TS clearance, SCI eligibility)

Akima, LLC

Alexandria, Virginia, USA

Full-time

Suvi Global Services is recruiting a highly qualified Network Architect- Certified Internetwork Expert (CCIE) to design, implement, and manage enterprise network solutions across secure classified and unclassified environments. This individual will play a key role in modernizing and optimizing network infrastructure to support a globally distributed organization. The ideal candidate will possess deep expertise in network engineering and security, with a current Cisco Certified Internetwork Exper

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

F-35 Network Engineer | Active Secret clearance

General Dynamics

Arlington, Virginia, 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: Network Engineering Job Qualifications: Skills: Cisco Technologies, LAN WAN, Microsoft Azure, Network Engineering Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Senior Network Engineer with GDIT. A career in enterprise IT mean

Subk-C Middleware Administrator

IBM

Herndon, Virginia, USA

Full-time

Introduction A career in IBM Consulting is rooted by long-term relationships and close collaboration with clients across the globe. You'll work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio; including Software an

Senior Linux Platform Engineer - flexible hybrid (Chicago, IL or Overland Park, KS)

Cboe Global Markets

Chicago, Illinois, USA

Full-time

Job Description: Building trusted markets -powered by our people. At Cboe, we inspire our people to solve complex challenges together because what we do matters. We provide the financial infrastructure that powers the global economy. As a leading provider of market infrastructure and tradable products, Cboe delivers cutting-edge trading, clearing and investment solutions to market participants around the world. We're building inclusive ways to support professional and personal development while

Senior Principal Systems Security Engineer (Program Protection / Anti-Tamper) - (On-site Tewksbury, MA) P5

RTX Corporation

Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-07-17 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 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 - t

Senior Principal Systems Security Engineer (Program Protection / Anti-Tamper) - (On-site Marlborough, MA) P5

RTX Corporation

Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-07-17 Country: United States of America Location: MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 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 a

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

Microsoft Endpoint Configuration Manager (MECM) Systems Engineer - Senior

Jacobs

Warrenton, Virginia, USA

Full-time

The mission of the Lone Wolf program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN-TS ES) which is a DoD-provided, TS/SCI, integrated voice, video, and data, global communications network that facilitates collaboration among senior leaders and key staff. The Lone Wolf program boasts a professional workforce comprised of specialists throughout the Information Technology lifecycle and who contribute to a positive work envi

Senior Information System Security Officer (ISSO) - Tucson, AZ

RTX Corporation

Tucson, Arizona, USA

Full-time

Date Posted: 2025-07-31 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: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and

Senior Specialist, Cyber Infrastructure Systems Engineer TS/SCI - Colorado Springs, CO

Harris Corporation

Colorado Springs, Colorado, 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 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 Specialist, Cyber Infrastructure Systems Engineer Secret - Colorado Springs, CO

Harris Corporation

Colorado Springs, Colorado, 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

ISSO (TS/SCI with CI poly)

Maxar Technologies Holdings Inc

Herndon, Virginia, USA

Full-time

Please review the job details below. We're supporting a well-established customer that works on a critical and high-visibility mission. The team is tremendously talented and we need to add a mid-level ISSO with a strong foundation in US Government IT experience to work on the growing number of customer requirements. Previous experience working on-site to support the DoD and the intelligence community is highly desirable. Career: We're serious about professional development and continuing educat

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

System Administrator-Senior Level

Nightwing

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th