Stennis Space Center, Mississippi


Job Description:

The Department of Homeland Security (DHS), Network Operations Security Center (NOSC) Cyber is a US Government program responsible to prevent, identify, contain and eradicate cyber threats to DHS networks through monitoring, intrusion detection and protective security services to DHS information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud, security devices, servers and workstations. The NOSC Cyber is responsible for the overall security of DHS Enterprise-wide information systems, and collects, investigates and reports any suspected and confirmed security violations. Leidos has an immediate need for a Cyber Threat Hunter to join our NOSC Cyber Team. The ideal Cyber Threat Hunter is someone who is process driven, curious, and enjoys identifying patterns and anomalies in data that are not immediately obvious.

Primary Responsibilities

+ Create Threat Models to better understand the DHS IT Enterprise, identify defensive gaps, and prioritize mitigations

+ Author, update, and maintain SOPs, playbooks, work instructions

+ Utilize Threat Intelligence and Threat Models to create threat hypotheses

+ Plan and scope Threat Hunt Missions to verify threat hypotheses

+ Proactively and iteratively search through systems and networks to detect advanced threats

+ Analyze host, network, and application logs in addition to malware and code

+ Prepare and report risk analysis and threat findings to appropriate stakeholders

+ Create, recommend, and assist with development of new security content as the result of hunt missions to include signatures, alerts, workflows, and automation.

+ Coordinate with different teams to improve threat detection, response, and improve overall security posture of the Enterprise

Basic Qualifications

+ The candidate must possess an active Top Secret Clearance. In addition to clearance requirement, all DHS personnel must obtain an EOD.

+ BS degree in Science, Technology, Engineering, Math or related field and 8+ years of prior relevant experience with a focus on Cyber Security

+ Should have at least 4 years of experience serving as a SOC Analyst or Incident Responder

+ Ability to work independently with minimal direction; self-starter/self-motivated

Must have one of the following certifications:

+ SANS GCIH (GIAC Certified Incident Handler)

+ SANS GCFA (GIAC Certified Forensic Analyst)

+ SANS GCIA (GIAC Certified Intrustion Analyst)

+ SANS GNFA (GIAC Network Forensic Analyst)

+ SANS GWAPT (GIAC Web Application Pentester)

+ SANS GPEN (GIAC Penetration Tester)

+ Offensive Security Certified Professional (OSCP)

Preferred Qualifications

+ Expertise in network and host based analysis and investigation

+ Demonstrated experience planning and executing threat hunt missions

+ Understanding of complex Enterprise networks to include routing, switching, firewalls, proxies, load balancers

+ Working knowledge of common (HTTP, DNS, SMB, etc) networking protocols

+ Familiar with operation of both Windows and Linux based systems

+ Proficient with scripting languages such as Python or PowerShell

+ Familiarity with Splunk Search Processing Language (SPL) and/or Elastic Domain Specific Language (DSL)

+ Demonstrated experience triaging and responding to APT activities.

+ Experience working with various technologies and platform such as AWS, Azure, O365, containers, etc.

+ Understanding of current cyber threat landscape, the different tactics commonly used by adversaries and how you would investigate, contain and recover against their attacks.

Pay Range: REQNUMBER: R-00064636

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.

Stennis Space Center, Mississippi

At Leidos, quality performance means two things:

  1. Satisfying our customers by delivering the products and services they need on time and in budget.
  2. Continuously improving our processes so that our work meets requirements and is done right the first time.

Our proprietary EngineeringEdge® solution gives us a consistent, company-wide approach to planning, designing, developing, and delivering solutions that achieve our customers’ goals. Comprehensive and customizable, EngineeringEdge is based on industry standards and best practices from:

  • CMMI®, the CMMI Institute.
  • Project Management, the Project Management Institute.
  • the International Organization for Standardization (ISO®).
  • the International Council on Systems Engineering/INCOSE Corporation.
  • Electronic Industries Alliance.
  • Our four decades experience on a wide range of programs.

Many Leidos organizations have been able to earn coveted CMMI maturity level 3 and higher, as well as ISO 9001 organizational designations.

In addition, we have our own high standards for ethics and performance.
Investors : Employee Code of Conduct

What does this mean to our clients? High quality products and services, developed in an environment committed to continuously improving processes and uncompromising ethics.

Similar jobs