Prosync

ISSO Lead

United States full-time Senior Salary not listed
full-time Senior level Technology & IT Curated
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About the role

ProSync is seeking a passionate Lead Information Systems Security Officer (ISSO) to help oversee the ISSO Support Department and is responsible for helping maintain security compliance, documentation accuracy, and continuous monitoring for DoS 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 ISSO leads the personnel executing continuous RMF compliance, system documentation upkeep, and implementation of security controls.

Serves as senior technical authority for ISSO functions.

Leads system-level cybersecurity governance tasks, ensuring accuracy of SSPs, artifacts, and monitoring metrics.

Provides escalation point support to ISSOs for complex control interpretations.

Operations & Tasks Overseen

Continuous monitoring

Security control implementation verification

Vulnerability scanning follow‑through

POA&M population and closure

SSP development, review, and updates

Coordination during assessment cycles and A&A preparations

Requirements

8+ years as an ISSO or security analyst.

Strong knowledge of RMF, NIST SP 800‑53, POA&M processes.

Experience with governance tools (e.g., Archer, CSAM).

A CISSP, CISM or equivalent certification is required.

A minimum Secret security clearance is required to be considered for this position with the ability to obtain a Top Secret clearance. (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. (A technical specialization is preferred)
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.
Originally posted on Himalayas

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Senior
Technology & IT Operations Writing Isso Technology Senior level full-time

Likely questions

  1. Tell us about work you have done that is close to the ISSO Lead role.
  2. How would you approach your first 30 days at Prosync?
  3. Which of Operations, Writing and Isso have you used recently, and what did it help you achieve?
  4. How have you led people, improved a process, or made a hard decision in a previous role?
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with Operations, Writing and Isso.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the ISSO Lead role because I can bring practical experience in Operations, Writing and Isso, learn the team quickly, and contribute to the outcomes Prosync needs from this hire.

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