Incident Responder (Weekend Day Shift)

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

Description

Incident Responder (Weekend Day Shift)

Location: Suitland, MD

Clearance: Active TS/SCI

Weekend Day Shift Work Hours: 0730 – 1930

Schedule: Part Time, typically 24 hours per week

Leidos is seeking an Incident Responder (Weekend Day Shift) to join a mission focused cybersecurity team supporting the Office of Naval Intelligence (ONI) at the Hopper Global Communications Center (HGCC) in Suitland, MD .

In this role, you will serve as a digital first responder, helping defend the Navy's critical maritime intelligence networks against cyber threats. You will respond to and investigate cybersecurity incidents, contain affected systems, limit operational impact, and collect and analyze digital artifacts to support effective response and recovery. Working across the incident response lifecycle, you will collaborate with cybersecurity, intelligence, and investigative partners to help protect highly sensitive TS/SCI environments.

Work Location and Hours: This is a part time, weekend day shift position, typically scheduled for 24 hours per week. Regular work hours are 0730 to 1930 for two 12 hour weekend shifts. Occasional additional or alternate shift coverage may be needed to support team coverage, leave, or other program and staffing needs.

Primary Responsibilities

• Perform all phases of the incident response lifecycle, including detection, analysis, containment, eradication, and recovery.
• Receive and act on escalations from Tier 1 analysts, conduct spillage response and cleanup activities, and support incident response for TS/SCI networks, including JWICS, ATLAS, and other networks for which HGCC is responsible.
• Receive and respond to incident notifications from customers via telephone and email.
• Prepare and submit Electronic Spillage Assessment Forms (ESAFs) to the NNWC Electronic Spillage Center.
• Monitor Data Loss Prevention (DLP) outputs for classified code words and potential spillage indicators.
• Coordinate and communicate with internal and external stakeholders, including Special Security Officers (SSOs), Judge Advocate General (JAG), ONI ISSM, Hopper ISSM, CNI, NAVNETWARCOM, IC SCC, NCDOC, NCIS, and other IC and DoD SOC/DCO teams.
• Maintain detailed and accurate incident documentation and timelines throughout the response process.
• Participate in incident response meetings, briefings, and after action reviews.
• Support the execution and evaluation of annual security exercises.

Required Qualifications

• Bachelor's degree in Cybersecurity, Information Technology, Information Assurance, or a related area of study desired with 8+ years of experience or Master’s degree with 6+ years of experience. Additional experience may be considered in lieu of a degree.
• Active TS/SCI security clearance.
• Extensive experience in the Computer Network Defense (CND) discipline.
• Significant professional experience monitoring, analyzing, and investigating alerts generated by cybersecurity tools.
• Experience with Security Information and Event Management (SIEM) systems such as Splunk and Elastic.
• Experience with Network Intrusion Detection/Prevention Systems (NIDPS), such as Cisco FirePower and Palo Alto NGFW, as well as host based tools such as Trellix ePO, Microsoft Defender, and Tanium.
• Knowledge of scripting and coding languages such as Python, Perl, Ruby, JavaScript, PowerShell, C, C++, and Java.
• Knowledge of penetration testing and red team tactics, techniques, and procedures, as well as tools such as Kali, SamuraiWTF, Nmap, Burp Suite, sqlmap, and Metasploit.
• Knowledge of ticketing systems, report writing, and intelligence gathering, analysis, and dissemination techniques specific to cybersecurity.

Required Certifications

• Must possess one of the following certifications or obtain one within 30 days of accepting an offer: Certified Ethical Hacker (CEH), CyberSec First Responder (CFR), CompTIA Cybersecurity Analyst (CySA+), GIAC Certified Forensic Analyst (GCFA), GIAC Certified Incident Handler (GCIH), EC Council Certified Incident Handler (ECIH), or Cisco Cybersecurity Specialist (SCYBER).

Pay Range

Pay Range $107,900.00 - $195,050.00

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.