Cyber Security Analyst

Leidos; Arlington (VA); On-site; USD 87,000 - 157,000; Full time

Benefits offered by this job

On-site in Arlington

Job summary

Leidos in the Washington DC area is seeking a Cyber Security Analyst for the DISA GSMO-II program. The role provides 24x7 monitoring and analysis of DoD networks above SECRET, performing threat intelligence, correlating security events, and supporting incident response.

This on-site Arlington, VA position requires flexible shifts, onboarding, and strong reporting skills. Candidates must have DoD Top Secret clearance eligibility, a relevant degree, and hands-on experience with TCP/IP, SIEMs, and

Qualifications

• Bachelor's degree required; 4+ years of relevant experience or Cyber courses/certifications may substitute.
• Active DoD Top Secret clearance eligibility required.
• Strong understanding of TCP/IP, ports, protocols, and OSI model.

Responsibilities

• Review DoD and open-source intelligence for threats and IOCs.
• Utilize alerts from endpoints, IDS/IPS, netflow, and sensors to identify compromises.
• Review large log files, correlate evidence for incident investigations.
• Triage alerts and report incidents to customers and USCYBERCOM.
• Develop, deploy, and maintain analytics and countermeasures.

Skills

Cybersecurity analysis

Incident response

Threat intelligence

SIEM experience

Network forensics

Unix/Linux CLI

TCP/IP knowledge

Communication skills

Education

Bachelor's Degree

DoD 8570 IAT Level II certification

DoD 8570 CSSP-A certification (CEH/CySA+/GCIA)

Tools

Splunk ES

Elastic

Suricata

Zeek

Full Packet Capture

Job description

Description

Leidos has a current job opportunity for a Cyber Security Analyst on the DISA GSMO-II program in the Washington DC Area.

POSITION SUMMARY:

This position provides 24x7 cybersecurity monitoring and analysis services for Department of Defense networks above the SECRET level. This includes performingreal-timecyber threat intelligence analysis, correlating actionable security events, performing network traffic analysis using raw packet data, andparticipatingin the coordination of resources during the incident response process.

This position is fully on-site in Arlington, VA. Shifts include Days (morning), Swings (evening) and Mids (night), and may require weekend and/or holiday hours. Shift availability will vary based on program needs and staffing levels.All new hires’ initial 4-6 weeks will be spent on weekday Day Shift to complete onboarding, training and familiarization. Applicants must remain flexible to potential shift modifications to assist in meeting minimum staffing requirements.

PRIMARY RESPONSIBILITIES:

• Review DoD and open-source intelligence for threats and toidentifyIndicators of Compromise (IOCs) and integrate those into sensors and SIEMs

• Utilize alerts from endpoints, IDS/IPS,netflow, and custom sensors toidentifycompromises on customer networks/endpoints

• Review massive log files, pivot between data sets, andcorrelateevidence for incident investigations

• Triage alerts toidentifymalicious actors on customer networks

• Report incidents to customers and USCYBERCOM

• Develop, deploy, andmaintaincustom analytics and countermeasures
  

BASIC QUALIFICATIONS:

• Must have an active DoD Top Secret security w/ SCI clearance eligibility.

• Bachelor's Degree and 4+ years of prior relevant experience;additionalwork experience or Cyber courses/certifications may be substituted in lieu of a degree.

• Demonstrated understanding of TCP/IP, common networking ports and protocols, traffic flow, system administration, OSI model, defense-in-depthand common security elements.

• Motivated self-starter with strong written and verbal communication skills, and the ability to create complex technical reports on analytic findings

• DoD 8570 IAT level II or higher certification such as CompTIA Security+ CE, ISC2 SSCP, SANS GSEC prior to starting.

• DoD 8570 CSSP-A level Certification such as CEH,CySA+, GCIA or othercertification isrequiredwithin 180 days of hire.

• Demonstrated commitment to training, self-study and maintainingproficiencyin the technical cyber security domain and an ability to think and work independently

• Strong analytical and troubleshooting skills

• Willing to perform shift work

• Must be a US Citizen

PREFERRED QUALIFICATIONS:

• CND experience (Protect, Detect, Respond and Sustain) within a Computer Incident Response organization.

• Demonstrated understanding of the life cycle of networkthreats, attacks, attackvectorsand methods of exploitation with an understanding of intrusion set tactics,techniquesand procedures (TTPs).

• Advanced understanding of TCP/IP, common networking ports and protocols, traffic flow, system administration, OSI model, defense-in-depthand common security elements.

• Experience with development and incorporation of AI and automation tools into Incident Response processes.

• Demonstrated hands-on experience analyzing high volumes of logs, network data (e.g.Splunk, Suricata, Zeek, Full Packet Capture), and other attack artifacts in support of incident investigations.

• In-depth knowledge of architecture, engineering, and operations of at least one enterprise SIEM platform (e.g.Splunk ES, Elastic).

• Experience andproficiencywith any of the following: Splunk, Suricata, Zeek, Full Packet Capture, Network Forensics, Endpoint Detection and Response,Corelight, Elastic.

• Experience with malware analysis concepts and methods.

• Unix/Linux command line experience.

• Scripting and or programming experience to write Suricata and Zeek rule sets.

• Familiarity or experience in Intelligence Driven Defense and/orMitreATT&CK, and/or Cyber Kill Chain methodologies.

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

Pay Range:

Pay Range $87,100.00 - $157,450.00

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 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.