Weekend Incident Responder – TS/SCI Cyber Defense

Leidos; Suitland (MD); On-site; USD 108,000 - 195,000; Part time

Job summary

Leidos is seeking an Incident Responder for the Weekend Day Shift to help defend Navy networks from cyber threats at the Hopper Global Communications Center in Suitland, MD. You will handle the full incident response lifecycle across TS/SCI environments and coordinate with multiple security and military partners.

The role requires strong CND, SIEM, and scripting skills, plus a TS/SCI clearance. Two 12-hour weekend shifts and a typical 24-hour weekly schedule are expected.

Qualifications

• Bachelor's degree in Cybersecurity, IT, Information Assurance, or related field.
• 8+ years of experience or Master’s degree with 6+ years of experience.
• Active TS/SCI clearance.
• Extensive experience in Computer Network Defense and incident response.

Responsibilities

• Perform all phases of the incident response lifecycle.
• Respond to escalations from Tier 1 analysts and support TS/SCI networks.
• Respond to incident notifications via phone and email.
• Submit ESAFs to NNWC Electronic Spillage Center.
• Monitor DLP outputs for classified indicators.
• Coordinate with SSOs, JAG, ONI ISSM, and other teams.
• Maintain incident documentation and timelines.
• Participate in briefings and after-action reviews.
• Support annual security exercises.

Skills

Incident response

CND / threat analysis

SIEM experience

Python / PowerShell

Network security

Effective communication

Education

Bachelor's in Cybersecurity / IT / IA

Master's degree

Tools

Splunk

Elastic Stack

Cisco FirePower

Palo Alto NGFW

Trellix ePO

Microsoft Defender

Tanium

Nmap / Burp Suite

Job description

Leidos is seeking an Incident Responder for the Weekend Day Shift to help defend Navy networks from cyber threats at the Hopper Global Communications Center in Suitland, MD. You will handle the full incident response lifecycle across TS/SCI environments and coordinate with multiple security and military partners.

The role requires strong CND, SIEM, and scripting skills, plus a TS/SCI clearance. Two 12-hour weekend shifts and a typical 24-hour weekly schedule are expected.