Watch Officer

General Information

• Requisition: R66767
• Locations: USA-VA-Chantilly, USA-AZ-Chandler
• Posting Date: 03/26/2026
• Security Clearance Required: Secret
• Remote Type: Onsite
• Time Type: Full time

Description & Requirements Unlock the secrets of intelligence with MANTECH. Join a dynamic team at the forefront of national security providing advanced solutions to government intelligence agencies. Since 1968, weve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics, and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH.

This is for a future opportunity. MANTECH seeks a motivated and team-oriented Watch Officer to support a DHS customer in Chandler, AZ and the National Capital Region.

As part of this mission, you will help the organization maintain its prestigious designation as a Cybersecurity Service Provider (CSP) Center of Excellence (COE). Our team provides comprehensive 24/7/365 security services supporting an expansive network across LANs, WANs, and advanced Cloud-based infrastructures.

This is a unique opportunity to utilize a kill chain process to thwart Advanced Persistent Threats (APT) and implement and support cutting-edge technologies like Zero Trust Architecture, AI/ML risk mitigation, and Post-Quantum Computing readiness.

Key Responsibilities

• Provide continuous technical management for the security operations shift.
• Perform weekly audits of security monitors and account privilege changes.
• Monitor SIEM and security tools to maintain environmental situational awareness.
• Lead shift turnover and maintain detailed watch logs for the enterprise.
• Thwart Advanced Persistent Threats (APT) using forensic kill chain processes.
• Implement Zero Trust Architecture and AI/ML risk mitigation for our DHS customer.

Required Qualifications

• Bachelors degree and 3 years of supervisory experience in a security operations environment.
• Substantial and documented security experience in enterprise settings.
• One of the following: CASP, CCSP, SSCP, GMON, GCIH, GCIA, GECD AND one from the DOD 8570 CSSP list (Analyst, Infrastructure Support, or IR).
• 6 years of equivalent experience will be considered in lieu of one certification.

Preferred Skills

• Proven ability to manage high-pressure security incidents in real-time.
• Experience with 24/7/365 shift operations.
• Experience with post-quantum computing assessment/implementation.

Clearance Requirements

• Must be a U.S. Citizen.
• Active Secret AND TSSCI eligibility.
• Must be able to obtain and maintain an ICE Entry on Duty (EOD) Suitability.

Physical Requirements

• Must be able to remain in a stationary position 50% of the time.
• Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers and customers.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.