Seneca Holdings

Contract Special Security Officer (CSSO)

Seneca Holdings · Charleston, SC

Posted 8 days ago

or apply directly on Seneca Holdings's site. We never take the application ourselves.

Is this posting real?

This role has been open
8 days
Seneca Holdings's roles stay open a median of 36 days
Reposted
No
Salary listed
No
0% of Seneca Holdings's roles list one
Ghost-job risk at Seneca Holdings
high
34 stale, 1 reposted of 75 open
Hiring momentum
119 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from Seneca Holdings's own greenhouse board since 2026-08-03. Full hiring picture for Seneca Holdings.

About this role

The Contract Special Security Officer (CSSO) will manage day-to-day Sensitive Compartmented Information (SCI) security support for the National Cyber Range Complex. Responsibilities include coordinating with government security personnel, processing access requests, maintaining security records, conducting inspections, and ensuring compliance with security policies. This role requires an active Top Secret clearance and significant experience in SCI security within a DoD/IC environment.

Our read on this posting3.6out of 5
benefits
4/5
freshness
5/5
career value
4/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Seneca Holdings as an employer.

What you need

  • Active Top Secret security clearance with SCI eligibility
  • Meaningful SCI security experience in the DoD/IC, including work in an accredited SCIF
  • Working knowledge of SCI personnel, information, and physical security, including DoDM 5105.21 and applicable ICD/ICS requirements
  • Ability to operate independently with Government security personnel

Nice to have

  • Prior experience as a CSSO, ACSSO, SSO, Assistant SSO, or equivalent SCI security professional
  • Experience processing personnel access actions, VARs, SCI indoctrinations/debriefings
  • Experience with classified-material accountability and secure destruction
  • Knowledge of SCIF access control and visitor management
  • Experience conducting security self-inspections and managing corrective actions

What you get

  • Competitive pay
  • Flexible work-life balance
  • Professional development opportunities
  • Performance and recognition programs
  • Comprehensive benefits package including medical, dental, vision, life, and disability
  • Voluntary benefit programs

Worth weighing

  • On-site position in Charleston, SC
  • Requires after-hours availability for security-related calls
  • Role involves significant compliance and documentation responsibilities
  • No salary listed

Summarised from Seneca Holdings's posting. Read the full original.

Listed by Seneca Holdings on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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