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Information Systems Security Manager; ISSM; SME

Job in Leeds, West Yorkshire, ME17, England, UK
Listing for: Avint
Full Time position
Listed on 2026-09-10
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security & Data Protection, Network Security, IT Consultant
Job Description & How to Apply Below
Position: Information Systems Security Manager (ISSM) - SME

Avint is hiring a Information Systems Security Manager (ISSM) - SME to support and protect critical DoD cloud-based systems. In this role, you’ll be part of a high-performing team responsible for implementing and overseeing all phases of the Risk Management Framework (RMF) while supporting day-to-day cybersecurity operations. You’ll work at the intersection of security, compliance, and mission impact, helping ensure systems are secure, resilient, and aligned with DoD and Air Force requirements.

* This role is 100% ON-SITE at Hanscom Air Force Base in MA*

* This role requires an ACTIVE Top-Secret clearance*

The individual in this role, will be a member of the team implementing and overseeing all phases of the RMF process and day-to-day cybersecurity activities for DoD cloud-based systems. Primary responsibilities are listed below.

  • Supporting the system/application authorization and accreditation (A&A) effort, to include assessing and guiding the quality and completeness of A&A activities, tasks, and resulting artifacts mandated by governing DoD and Air Force policies (i.e., Risk Management Framework (RMF).
  • Recommending policies and procedures to ensure the reliability of and accessibility to information systems and to prevent and defend against unauthorized access to systems, networks, and data.
  • Conducting risk and vulnerability assessments of planned and installed information systems to identify vulnerabilities, risks, and protection needs.
  • Promoting awareness of security issues among management and ensuring sound security principles are reflected in organizations’ visions and goals.
  • Conducting systems security evaluations, audits, and reviews.
  • Recommending systems security contingency plans and disaster recovery procedures.
  • Recommending and implementing programs to ensure that systems, network, and data users are aware of, understand, and adhere to systems security policies and procedures.
  • Participating in network and systems design to ensure implementation of appropriate systems security policies.
  • Facilitating the gathering, analysis, and preservation of evidence used in the prosecution of computer crimes.
  • Assessing security events to determine impact and implementing corrective actions.
  • Ensuring the rigorous application of information security/cybersecurity policies, principles, and practices in the delivery of all IT services.
  • Perform the Information System Security Engineer (ISSE) duties in an Information Assurance Workforce System Architecture and Engineering (IASAE) position as outlined in AFI 33-200, AFI 33-210 and AFMAN 33-285 for assigned systems.
  • Perform the Information System Security Officer (ISSO) duties as outlined in DoDI 8510.01for assigned systems/applications.
  • Perform the Information System Security Manager (ISSM) duties as outlined in DoDI
    8510.01 for assigned systems/applications.
Technical Areas of Expertise
  • Expert knowledge of NIST RMF processes, policies, and DoD directives
  • Expert ability to create and revise standard operating procedures (SOPs), work instructions (WI), and Tactics, Techniques, and Procedures (TTPs)
  • Expert ability to create presentations and present policies, guidance, and procedures to varied audiences including senior leadership levels
  • A demonstrated expertise in RMF process
  • Customer service skills
  • A demonstrated ability (including knowledge and experience) to perform tasks related to AF cyber security
  • Knowledge of cloud-based solutions is a plus
Qualifications
  • Active DoD Top Secret clearance.
  • Master's Degree in a Related Field
  • IAM Level III Certification (CISSP is desired)
  • 15 years of experience, of which 5 must be in the DoD
  • In depth knowledge of DoD cyber security policies and regulations
  • Experience in providing security recommendations to senior leadership
  • Bachelor’s…
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