Assistant Contractor Special Security Officer (ACSSO)

CenCore is seeking a full-time Assistant Contractor Special Security Officer (ACSSO) in Hanover, Maryland to support security administration and compliance for cleared government work. This position requires an active Top Secret/Sensitive Compartmented Information (TS/SCI) clearance with Full Scope Polygraph (FSP). You will maintain personnel security records, coordinate clearance-related actions, support information and physical security functions, and assist with audits and inspections. Your work helps keep cleared personnel, information, and programs compliant and protected in support of critical national security missions. This role is built for an experienced professional who can step in on day one and contribute without additional training.

Key Responsibilities

• Support daily security administration and contract-compliance activities for cleared government work.
• Coordinate and submit personnel clearance paperwork, maintain personnel security files, and monitor action status.
• Initiate, track, document, and maintain security-related administrative actions, program records, and rosters.
• Administer information-security processes, including document control, logs, file retention, incident reporting, and operating-procedure compliance.
• Prepare for and support security audits, inspections, and self-assessments.
• Assist with meetings, reports, and document reviews to ensure accuracy, completeness, and timely follow-through.
• Respond promptly and professionally to internal and external security inquiries.

Required Qualifications

• Active Top Secret/Sensitive Compartmented Information (TS/SCI) clearance with Full Scope Polygraph (FSP).
• U.S. citizenship.
• High school diploma.
• At least 2 years of administrative or security-support experience in a government or defense-contracting environment.
• Demonstrated ability to perform ACSSO duties independently from day one, with no additional training needed to get up to speed.
• Proficiency with Microsoft Word, Excel, and other office productivity tools.

Preferred Qualifications

• Associate's or bachelor's degree.
• Experience supporting a Contractor Special Security Officer (CSSO), Facility Security Officer (FSO), or security office in a cleared environment.
• Knowledge of the National Industrial Security Program Operating Manual (NISPOM), Intelligence Community Directive 705 (ICD 705), and related Department of Defense (DoD) or Intelligence Community security policies.
• Familiarity with the Defense Information System for Security (DISS), National Industrial Security System (NISS), or other government security systems.

Skills / Competencies

• Security administration and records management
• Personnel and information security coordination
• Compliance tracking and documentation
• Clear, professional written and verbal communication
• Critical thinking and practical problem-solving
• Organization, accuracy, and attention to detail
• Priority management and adaptability in a fast-paced environment

Work Environment and Physical Requirements

• Employment type: Full-time, during core business hours.
• Location: Hanover, Maryland.
• Work conditions: Sustained computer and telephone use, and the ability to review, prepare, and maintain electronic records.
• Travel: No travel is required.
• On-call: On-call availability may be requested, although none is currently expected.
• Physical requirements: Regular office work only, with no additional physical demands.

Company Overview
At CenCore, we deliver security solutions that support critical national security missions. We specialize in designing, building, securing, and maintaining advanced technology environments at the intersection of emerging technology and national security. We are seeking a dependable, cleared professional to join our team in support of secure personnel, information, and physical security operations.

Compensation Overview
Salary range: $70,000 to $80,000 per year, depending on experience and qualifications.

Eligible employees may enroll in company-sponsored medical, dental, and vision benefits in accordance with plan terms and enrollment requirements. The company contributes toward employee healthcare premiums, subject to plan provisions. Employees are also eligible to participate in the company's 401(k) retirement savings plan, including employer matching contributions in accordance with plan guidelines and eligibility requirements. Paid time off, sick leave, and holiday benefits are provided in accordance with company policy, applicable contract requirements, and federal, state, and local laws. Benefit eligibility and accrual rates may vary based on position, location, and length of service. The company is committed to equitable pay practices and does not seek or rely on an applicant's wage history when making compensation decisions.

Benefits may be modified from time to time in accordance with company policy and applicable law.

Equal Opportunity Employer Statement
CenCore is an equal opportunity employer. We hire based on merit and qualifications and do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, genetic information, pregnancy, childbirth or related medical conditions, or any other status protected by applicable federal, state, or local law.

Minimum experience (years): 2

Required degree: HIGH_SCHOOL