Information System Security Officer; ISSO
Listed on 2026-10-17
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IT/Tech
Cybersecurity, Systems Engineer, Network Security, Information Security & Data Protection
Title:
Information System Security Officer (ISSO)
At K , we deliver science, technology and engineering solutions to governments and companies around the world. K employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. K is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results.
Trinzic is the future independent company to be created through the planned spin-off of K 's Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world's highest-priority national security and space missions.
Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact.
Candidates who join K 's Mission Technology Solutions business before the spin-off will transition to Trinzic when the separation is complete and will not need to reapply for employment.
Belong. Connect. Grow. with K !
K ’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security.
Why Join Us?Innovative Projects: K ’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions.
Collaborative Environment:
Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace.Impactful Work:
Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense.
The successful candidate will provide support to the Test Resource Management Center’s (TRMC) All Domain Test Range (ADTR) and INDOPACOM Pacific-Rim Multi-Domain Training and Experimentation Capability Team, Joint Mission Environment Test Capability (JMETC) Secret Network (JSN) Node, JMETC Multiple Independent Levels of Security Network (JMN) Node, Secret Defense Research and Engineering Network (SDREN), Defense Research and Engineering Network (DREN).
In this role, you will be a critical part of our team responsible for evaluating customer requirements pertaining to complex technical challenges. The successful candidate will assist with providing solutions to complex problems in a manner which meets both functional and security requirements. You will be responsible for keeping the team’s computing environment operational and in compliance with all TRMC directives and applicable RMF requirements.
To do this you will frequently collaborate with other distributed team members to discuss current system status and plan desired future enhancements.
The ideal candidate will have a blended skill set with a strong background in both systems administration and cybersecurity. This individual will possess experience in Windows and Linux server management, Active Directory, Security Technical Implementation Guides (STIGs), and virtualization technologies. This role is critical in ensuring the integrity, confidentiality, and availability of our information systems within a Department of Defense (DoD) environment.
Key Responsibilities:Security…
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