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Sr. ISSO

ProSync Technology Group, LLC
Washington, DC Full Time
POSTED ON 9/28/2026
AVAILABLE BEFORE 10/22/2026
ProSync is seeking a passionate Sr. ISSO Lead to help oversee the ISSO Support Department and is responsible for helping maintain security compliance, documentation accuracy, and continuous monitoring for DFC systems. They will oversee routine cybersecurity governance functions such as POA&M tracking, RMF documentation updates, vulnerability status maintenance, audit preparation, and system owner coordination. This department ensures systems stay compliant with FISMA and NIST requirements daily.

ProSync Technology Group, LLC (ProSync) is an award-winning, SDVOSB Defense Contracting company with a strong military heritage and a record of excellence in supporting the Department of Defense and the Intelligence Community. If you have prior military service or government contracting experience, are proud to serve and support our nation, and want to help support ProSync's mission to "Define and Redefine the State of Possible,” please apply today!

Responsibilities

The Sr. ISSO Lead supports operations within the ISSO Support Department, ensuring all governance and documentation activities flow efficiently.

  • Acts as second-in-command to the PM for ISSO support operations.
  • Facilitates daily team tasking, monitors bandwidth, and ensures quality control.
  • Provides operational continuity across ISSOs when addressing escalations or urgent compliance tasks.

Operations & Tasks Overseen

  • POA&M workflow management
  • Documentation quality verification
  • ISSO daily tasking and performance management
  • SOP adherence and workflow improvements
  • Coordination during audits, reviews, and system owner engagements

Requirements

  • 7 years of cybersecurity experience.
  • Experience leading Information Security teams.
  • Knowledge of FISMA, NIST SP 800‑53, 800‑37.
  • A PMP or equivalent certification is recommended.
  • A CISSP or equivalent IAT/IAM Level III certifciation is required.
  • A minimum Public Trust security clearance or higher is required to be considered for this position. (We are not able to sponsor candidates for a security clearance.)

Educational Requirements

  • A Bachelor’s degree or higher from an accredited college or university in any field.

Benefits

Join PROSYNC and enjoy our great benefits!

Compensation

  • We also offer bonuses that are awarded quarterly to our employees and our compensation rates are highly competitive.

Health & Retirement

  • We offer a comprehensive Health Benefits package and 401K retirement plan so you can take care of yourself and your family, now and in the future. Other health-related benefits include an employee assistance program for those difficult times or when you need to take care of your mental health.

Education

  • Individual growth is a priority at ProSync. Employees are encouraged to take advantage of our company-sponsored continuing education program so they can get their degree or that next certification they need to propel them to the next level.

Work/Life Balance

  • A healthy work/life balance is essential for building and executing your work effectively at ProSync, but it’s also necessary to allow you the room to pursue everything else you want to develop in your personal life. We offer generous Paid Time Off and 11 paid holidays a year. ProSync also provides flexible work options that work with your schedule and lifestyle.

Salary.com Estimation for Sr. ISSO in Washington, DC
$121,425 to $149,415
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