Enter a job title or keyword

Incident Responder

Leidos


Job Location:

Suitland, MD - USA

Monthly Salary: $ 107900 - 195050
Posted: 22 August 2026 (13 hours ago)
Application Deadline: 19 November 2026
Vacancies: 1 Vacancy

Job Summary

Incident Responder

Location: Suitland MD
Clearance: Active TS/SCI

Leidos is seeking an Incident Responder 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 Navys 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.

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

  • Bachelors degree in Cybersecurity Information Technology Information Assurance or a related area of study desired; Masters degree preferred.
  • 15 years of relevant professional experience without a degree.
  • Active TS/SCI security clearance.
  • 10 years of concentrated experience in the CND discipline.
  • 5 years of professional experience monitoring and investigating alerts from 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: 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).

NITESONI

DABAOPP1

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:
August 20 2026

For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $107900.00 - $195050.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.


About Company

Company Logo

Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.

View Profile View Profile