Senior Information Systems Security Manager; ISSM Zero Trust; T Security Clearance

Position: Senior Information Systems Security Manager (ISSM) Zero Trust (T with Security Clearance
Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. By joining our supportive community, you will find that Kentro is dedicated to your personal and professional development.

Together, we can drive meaningful change, spark innovation, and achieve extraordinary milestones. Kentro is seeking a highly experienced Senior Information Systems Security Manager (ISSM) to support the Department of Defense Zero Trust transformation under USSOCOM. This senior role provides cybersecurity governance, risk management, and compliance leadership across multiple Zero Trust implementation efforts in classified environments. The ISSM serves as the primary authority for RMF execution, system authorization, and cybersecurity risk management, working closely with the Chief Zero Trust Architect, system owners, engineers, and government stakeholders to ensure systems meet DoD security and Zero Trust requirements while enabling mission success.

Responsibilities:
* Serve as the senior cybersecurity authority for assigned Zero Trust systems and enclaves

* Lead and oversee Risk Management Framework (RMF) activities in accordance with DoDI 8510.01

* Manage system authorization packages in eMASS, including SSPs, SAPs, POA&Ms, and supporting artifacts

* Ensure compliance with DoD Zero Trust Architecture, NIST SP 800-53, 800-37, and 800-207

* Coordinate with Authorizing Officials (AOs), ISSOs, ISSEs, and system owners throughout the ATO lifecycle

* Assess and manage cybersecurity risk across identity, device, network, application, and data pillars

* Provide cybersecurity oversight for classified, cloud, hybrid, and on-prem environments

* Support continuous monitoring (Con Mon) activities and vulnerability remediation

* Review and approve security configurations, policies, and procedures

* Advise senior leadership on cybersecurity posture, risk acceptance, and mitigation strategies

* Participate in technical reviews, architecture sessions, and government working groups

* Mentor junior cybersecurity personnel and provide subject matter expertise to engineering teams

Location:

Onsite in Tampa, FL Requirements
* Bachelor's degree in Cybersecurity, Information Systems, Computer Science, or related field (or equivalent experience)

* 10+ years of cybersecurity experience, including senior ISSM or equivalent leadership roles

* Current DoD 8570 / 8140-compliant certification (required)

* Examples: CISSP, CISM, CAP, GSLC, CASP+

* Extensive experience with DoD RMF and eMASS

* Strong understanding of Zero Trust principles and implementation

* Experience supporting DoD or Intelligence Community systems through ATO

* Strong written and verbal communication skills for technical and executive audiences

* Experience operating in classified and highly regulated environments

Preferred Qualifications:

* Master's degree in Cybersecurity or related discipline

* Experience supporting USSOCOM, SOCOM components, or Joint environments

* Familiarity with cloud security (AWS Gov Cloud, Azure Government)

* Experience supporting enterprise cybersecurity modernization or Zero Trust initiatives
Clearance Requirement:
* Active TS/SCI clearance Benefits The Company We believe in generating success collaboratively, enabling long-term mission success, and building trust for the next challenge. With you as our partner, let's solve challenges, think innovatively, and maximize impact. As a valued member of our team, you have the unique opportunity to work in a diverse range of technology and business career paths, all while supporting our nation and delivering innovative technology solutions.

We are a close community of experts that pride ourselves on creating an environment defined by teamwork, dedication, and excellence. We hold three ISO certifications (27001:2013, 20000-1:2011, 9001:2015) and two CMMI ML 3 ratings (DEV and SVC). Industry Recognition Growth | Inc 5000's Fastest Growing Private Companies, DC Metro List Fastest Growing;
Washington Business Journal:
Fastest Growing Companies, Top Performing Small Technology Companies in Greater D.C. Culture | Northern Virginia Technology Council Tech 100 Honoree;
Virginia Best Place to Work;
Washington Business Journal:
Best Places to Work, Corporate Diversity Index Winner - Mid-Size Companies, Companies Owned by People of Color;
Department of Labor's Hire Vets for our work helping veterans transition; SECAF Award of Excellence finalist;
Victory Military Friendly Brand;
Virginia Values Veterans (V3);
Cystic Fibrosis Foundation Corporate Breath Award Benefits We offer competitive benefits package including paid time off, healthcare benefits, supplemental benefits, 401k including an employer match, discount perks, rewards, and more. We invest in our employees - Every employee is eligible for education…