Security Officer (TS/SCI with Poly Required)

GCI; Herndon (VA); On-site; USD 71,000 - 118,000; Full time

Job summary

GCI is seeking a Security Officer (TS/SCI with Poly) to support on-site security operations in Herndon, VA. The role focuses on managing security vendors, maintaining access control, and overseeing alarm and intrusion systems.

The position requires collaboration across facilities, IT, and security teams to ensure compliant, secure operations. You will develop and maintain security policies, coordinate maintenance, and contribute to incident response with strong organizational and communication

Qualifications

• US citizenship and active TS/SCI with Polygraph clearance required.
• Minimum 2–5 years of experience in physical security operations, facilities security, or electronic security systems.
• Experience working with third-party vendors and service providers.
• Familiarity with electronic access control and intrusion detection systems.
• Proficiency with Microsoft Office 365 Suite, especially Excel, Word, PowerPoint.

Responsibilities

• Manage relationships with physical security vendors, contractors, and service providers.
• Coordinate preventive maintenance, repairs, and upgrades for security technologies.
• Monitor vendor performance against SLAs and contractual obligations.
• Review service reports, invoices, and maintenance records for accuracy.
• Coordinate onsite vendor access and ensure compliance with security requirements.
• Coordinate maintenance and testing of intrusion detection and alarm monitoring systems.
• Track alarm issues through resolution and ensure devices remain operational.
• Support administration of enterprise access control systems and conduct audits.
• Assist with policy development and updates related to access control and alarm management.
• Assist with physical security projects and maintain security records and metrics.

Skills

Vendor management

Security operations

Policy writing

Communication

Project coordination

Independent work

Education

BA/BS or better

Tools

Microsoft Office 365

Excel

Word

PowerPoint

Job description

Security Officer (TS/SCI with Poly Required)

Job Category: Security Operations

Requisition Number: SECUR002245

• Posted : August 10, 2026
• Full-Time
• On-site
• Salary Range : $70,657.60 USD to $117,998.40 USD

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

At GCI, we solve the hard problems. As a Junior Industrial Security Officer, a typical day will include the following duties:

Supports the day-to-day operations and administration of GCI’s physical security program. This role focuses on managing security vendors, coordinating maintenance and service of electronic security systems, administering access control processes, and developing and maintaining policies and procedures that support a secure environment.

Working under the direction of security leadership, this position serves as a liaison between internal stakeholders, facilities, IT, and third-party security providers to ensure security systems operate efficiently and comply with organizational standards.

Key Responsibilities

• Manage relationships with physical security vendors, contractors, and service providers.
• Coordinate preventive maintenance, repairs, and system upgrades for security technologies
• Monitor vendor performance against service level agreements and contractual obligations
• Review service reports, invoices, and maintenance records for accuracy
• Coordinate onsite vendor access and ensure compliance with organizational security requirements

Alarm Systems Administration

• Coordinate maintenance and testing of intrusion detection and alarm monitoring systems
• Track alarm system issues through resolution
• Ensure alarm devices remain operational through routine inspections and preventative maintenance
• Partner with monitoring centers and vendors to investigate recurring alarm issues
• Maintain documentation of system configurations and maintenance history

Access Control Administration

• Support administration of enterprise access control systems
• Conduct routine audits of access permissions to ensure compliance with organizational policies
• Assist with troubleshooting access control hardware and software issues
• Coordinate installation and maintenance of card readers, controllers, and related hardware

Policies and Procedures

• Assist in the development and review of policies, standards, and standard operating procedures related to:
  • Access control
  • Alarm management
  • Vendor management
  • Electronic security systems
  • Security maintenance processes
• Recommend process improvements that enhance operational efficiency and security compliance
• Ensure documentation remains current with organizational and regulatory requirements

Operational Support

• Assist with physical security projects and system implementations
• Maintain accurate security records, inventories and reporting metrics
• Participate in after-hours support routine maintenance and critical security incidents as needed.
• 2-5 years of experience in physical security operations, facilities security, or electronic security systems.
• Experience working with third-party vendors and service providers
• Familiarity with electronic access control and intrusion detection systems
• Experience writing or maintaining policies, procedures, and operational documentation
• Strong organizational, communication, and project coordination skills
• Proficiency with Microsoft Office 365 Suite, particularly Excel, Word, PowerPoint

Knowledge, Skills, and Abilities

• Strong understanding of physical security principles and best practices
• Ability to manage multiple vendors and competing priorities
• Excellent analytical and problem-solving skills
• Strong written communication skills with ability to develop/maintain policies and procedures
• Customer-focused mindset with strong interpersonal skills
• Ability to work independently while collaborating across multiple departments
• High level of integrity and discretion when handling sensitive security information

*A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Preferred

BA/BS or better.

Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor.