Hiring.Camp

Security Control Assessor

Mainsailgroup

·

Yesterday

Salary
$90 – $115/hr
Location
Oak Ridge, Tennessee, US
Type
Contract
Department
Security
Education
Master
Visa
Not sponsored
Source
BetterTeam

Description

Candidates must be a United States Citizen (no dual status) per contract requirements.

Main Sail is seeking experienced Security Control Assessors to support cybersecurity and accreditation operations for a National Nuclear Security client located in Oak Ridge TN.

Responsibilities:
  • Implements and maintains security controls aligned with approved baselines and organizational requirements.
  • Supports system authorization activities, including the development and maintenance of security documentation such as System Security Plans (SSPs) and Plans of Action and Milestones (POA&Ms).
  • Monitors system security posture and identifies risks, vulnerabilities, and compliance gaps.
  • Tracks and manages POA&Ms and coordinates remediation activities with system stakeholders.
  • Assesses the security impact of system changes and supports configuration and change management processes.
  • Supports continuous monitoring activities, including vulnerability management and security reporting.
  • Serves as a security liaison between system teams, cybersecurity operations, and governance bodies.
  • Prepares systems for security assessments, audits, and Authorizing Official reviews.

Required Experience:
  • Level 3: Bachelor's Degree w/ 2-5 yrs responsibilities experience; or Associates Degree w/ 5-10 yrs experience.
  • Level 4: Master's Degree w/ 2-5 yrs responsibilities experience; or Bachelor's Degree w/ 5-10 yrs experience; or Associates Degree w/ 10-15 yrs experience.
  • Level 5: Master's Degree w/ 5-10 yrs responsibilities experience; or Bachelor's Degree w/ 10-15 yrs experience; or Associates Degree w/ 15-20 yrs experience.
  • Firm understanding of NIST SP 800-37 and NIST SP 800-53; CNSSI 1253 experience a plus.
  • Requires current active DoE Q; or DoW TS.

Location: Must reside within 50 miles of Y-12 Site, Oak Ridge TN
Period: 09/2026 - 09/2027 with possible extensions.

Skills

CybersecurityComplianceChange Management
Security Control Assessor at Mainsailgroup • $90 – $115/hr | Hiring.Camp