Demo

Information System Security Manager (ISSM)

Mission Multiplier
Huntsville, AL Full Time
POSTED ON 1/6/2026
AVAILABLE BEFORE 2/2/2026
Job Summary

Mission Multiplier is seeking candidates for a potential Information System Security Manager (ISSM) role. This position has the potential to lead ISSM-related projects within the commercial space.

Job Responsibilities

  • Assist in the planning, organization, maintenance and compliance of multiple classified systems in accordance with NISPOM, RMF requirements, and DCSA Assessment & Authorization Process Manual.
  • Assist in system development & configuration management and prepare Information Systems (IS) security plans used to obtain/retain authorization to operate.
  • Implementation and validation of security relevant controls on computing systems and perform certification tests & periodic inspections of Information Systems.
  • Provide day-to-day technical support to classified Information Systems including adherence to policies, procedures, and best practices. Troubleshoot systems as necessary.
  • Audit information systems to ensure compliance with security policies and procedures while reporting any discrepancies to the FSO.
  • Ensure systems and data are protected, operated, maintained and disposed of, in accordance with security policies and practices as outlined in the RMF package.
  • Manage user access and conduct user briefings as required.
  • Assist with classified spills/incident response or other security-related incidents.
  • Interact with representatives of FBI, DCSA, Customers and other government agencies as required.
  • Manage/schedule mandatory Information System patching, updating, and scanning based on vulnerabilities and threats or regulatory compliance; maintain the day-to-day security posture and continuous monitoring for all systems.

Qualifications

  • Bachelor's Degree in related field (Computer Science, IT, etc.). 3-5 years of experience in a Department of Defense Information Security contractor security environment with demonstrated knowledge of classified Information System operating systems.
  • Knowledgeable of DCSA certification authority and familiar with the RMF accreditation process.
  • Experience with security configurations across multiple operating systems in various environments, to include: Windows, Linux/Unix, utilizing Active Directory/Group Policy, etc. is required.
  • Experience with eMass is preferred.
  • Ability to multi-task and excel in a multi-customer environment.
  • Familiarity with documentation and tools such as: NISPOM, DAAPM, NIST SP 800-53, DISA STIGs, SCAP
  • Excellent troubleshooting skills
  • Current, active U.S. DoD Secret Security clearance required. Top Secret or higher preferred.
  • Security related certifications (CISM, Security , GSLC, CISSP or equivalent) is preferred.

Additional Details

  • Some client site travel may be involved.

About Mission Multiplier

Mission Multiplier is a certified Small Business headquartered in Huntsville, Alabama. We multiply the impact that clients can make against their mission objectives by providing cybersecurity subject matter expertise and thought leadership. Our goal is to multiply the successes that our clients achieve against their respective missions, while simultaneously enabling the missions of our employees - with the end result of securing and enriching the communities we serve - through the delivery of innovative cybersecurity solutions.

EEO STATEMENT

Mission Multiplier is community-focused first and commits to being an EEO employer. Because of this we don't discriminate on the basis of race, color, religion, sex (including pregnancy), sexual orientation, gender identity, national origin, age (40 or older), disability, genetic information, or any other protected class characteristic protected by federal, state, or local law. If you require an accommodation, please email our Human Resources department at hr@missionmultiplier.com.

Benefits

Mission Multiplier offers a wide range of benefits, including:

  • Group Life Insurance
  • Voluntary Life/AD&D Insurance
  • Medical Insurance
  • Secondary/GAP Insurance
  • Dental Coverage
  • Vision Coverage
  • Short-Term Disability Insurance
  • Long-Term Disability Insurance
  • Accident Insurance
  • Critical Illness Insurance
  • 401k (w/ employer match) after six (6) months of continuous service

JOB DISCLAIMER

This posting does not contain an exhaustive list of job responsibilities. Job responsibilities can and may change between postings or during the course of the job.

Mission Multiplier is committed to doing our due diligence in the job application process. Job applicants should be aware that background checks might be performed in order to receive subsequent employment with the company.

Job Posted by ApplicantPro

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$129,884 to $159,300
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