Job Description

Senior ISSO

Concurrent Technologies Corporation

Huntsville, AL

Minimum Clearance Required: Secret Clearance

Clearance Level Must Be Able to Obtain: Secret Clearance

Note: This position is contingent upon contract award anticipated in June 2025.

Join  Concurrent Technologies Corporation (CTC)and be part of a team that delivers  cutting-edge IT solutions and stays ahead of the latest technology advancements so we can help solve our clients' toughest challenges. As a part of the Information Technology (IT) Division, you will be strengthening our team of world-class experts aimed at providing our clients with the most effective solutions. Our expertise in achieving missions is unmatched, and we continue to have a major positive impact throughout the Department of Defense (DoD), Intelligence Community (IC), and beyond. Our IT solutions are at work in high-level, high-priority areas of the DoD and U.S. Government agencies. We are honored to be a trusted provider of cutting-edge and customized solutions to our clients for decades. Our experts are leading the rapidly evolving IT industry with innovative work in a variety of disciplines, including DevSecOps, which underpins many of our efforts. With CTC's IT Division, you become part of a dedicated team committed to advancing the ever-growing possibilities in IT and meeting our clients' challenges with up-to-the-minute, customized, and powerful solutions.

Key Responsibilities:

• As an ISSO, Lead security planning, assessment, risk analysis, risk management, certification, security awareness, system administration, networking, maintenance, and continuous monitoring of Windows and Linux accredited workstations, systems, and Clouds.
• Provide support for implementing and enforcing information systems security policies, standards, and methodologies.
• Assist in the evaluation of security solutions to ensure they meet security requirements for processing multiple types of information as well as provide the CM for information system security software, hardware, and firmware.
• Provide support to the Information System Security Manager (ISSM) for maintaining the appropriate operational IA posture for a system, program, or enclave and develop/maintain documentation for A&A using the DoD Risk Management Framework (RMF) and document within Enterprise Mission Assurance Support Service (eMASS).
• Develop and update the system security plans, Plan of Action and Milestones (POAM's) and other IA documentation.
• Maintain all records on workstations, servers, routers, firewalls, intelligent hubs, network switches, etc. to include system upgrades.
• Evaluate security solutions to ensure they meet security requirements for processing classified information and maintain operational security posture for an information system or program.
• Develop system security policy and ensure compliance and administer the user identification and authentication mechanisms of the Information System (IS).

Basic Qualifications :

• Possess a minimum of a BA/BS Degree in a Computer Science, Computer Information Systems, Management Information Systems or a related field plus 6-8 years of directly related experience.
• Working knowledge of system security design process, defense-in depth/breadth, information security domains, identification, authentication, risk management, contingency planning, incident handling, configuration control, change management, auditing, RMF/ICD 503 process, and principles of IA (confidentiality, integrity, non-repudiation, availability, access control).
• Demonstrate knowledge of and experience with at least one of the following (preferably more): current security tools; hardware/software security implementation; communication protocols; encryption techniques/tools.
• Demonstrate experience performing system administration duties for Linux/windows servers and virtual machines
• Experience completing security evaluations of software systems or architectures to ensure they meet security requirements for processing classified information.
• Experience preparing and maintaining SSPs or security related documentation.
• Experience proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies
• Experience using Enterprise Mission Assurance Support Service (eMASS) application for fully integrated cybersecurity management.
• Provide support to Information System Security Manager (ISSM) for implementing, and enforcing information systems security policies, standards, and methodologies.
• Demonstrated experience performing day-to-day security operations of information processing systems.
• Must be committed to developing and adhering to best practices.
• Must be a solutions-oriented team player and must possess a high level of self-initiative and drive.
• Must have excellent interpersonal skills and strong skills in communicating technical information.

Preferred Qualifications:

• Experience in the administration of mobile based systems, cloud-based systems, software, and accreditation.
• Shell Scripting knowledge such as Power shell, python and Bash experience will be helpful.
• Security+ or CISSP certified.

Why CTC?

• Our teams at CTC are passionate and thrive on collaboration in a high-paced team environment
• When we encounter a difficult problem, we have a variety of talented and diverse employees that work together to solve the toughest challenges
• Competitive salary and benefits package
• Although our work at CTC is extremely important, we also recognize the need for our employees to maintain a proper mix of work and personal life
• Visit  ( to learn more

Join us! CTC offers exceptional career growth, cutting edge technology, educational opportunities, and recognition for quality work.

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Staffing Requisition: SR#2025-0050

“We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability status, protected veteran status, or any other characteristic protected by law.”

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