SOC Analyst

Leidos LLC; Alexandria (VA); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos LLC in the United States is seeking a Senior SOC Analyst to monitor, detect, and respond to cybersecurity threats across customer networks. You will analyze alerts from endpoints, IDS/IPS, and network data, and coordinate with senior staff on investigations.

This role requires on-site work, DoD clearance readiness, and strong reporting skills. You will document findings, create incident reports, and support national security missions while operating in a mission-essential SOC environment

Qualifications

• Willing to perform shift work on site including weekends.
• Bachelor's degree and 8+ years of experience; or 12+ years without degree.
• 2+ years of incident handling/response experience.
• 2+ years of SOC experience.
• CND experience in a Computer Incident Response organization.
• Understanding of TCP/IP, networking ports and protocols, and defense-in-depth.

Responsibilities

• Utilize alerts from endpoints, IDS/IPS, netflow, and custom sensors to identify compromises on customer networks/endpoints.
• Perform intermediate-level review of massive log files, pivot between data sets, and correlate evidence for incident investigations.
• Pass triaged alerts to senior-level SOC personnel and assist in identifying malicious actors on customer networks.
• Document analysis, findings, and actions in a case/knowledge management system.
• Creation and distribution of incident reports to customers and higher headquarters.

Skills

SOC operations

Incident handling

TCP/IP networking

Analytical skills

Education

Bachelor's degree

12+ years experience without degree

Tools

ArcSight

Splunk

QRadar

Full Packet Capture

Job description

Primary Responsibilities

• Utilize alerts from endpoints, IDS/IPS, netflow, and custom sensors to identify compromises on customer networks/endpoints.


• Perform intermediate-level review of massive log files, pivot between data sets, and correlate evidence for incident investigations.


• Pass triaged alerts to senior-level SOC personnel and assist in identifying malicious actors on customer networks.


• Document analysis, findings, and actions in a case/knowledge management system.


• Creation and distribution of incident reports to customers and higher headquarters.

Required Clearance and Certifications

• Must have an active DoD Top Secret clearance with ability to obtain SCI.


• Must have DoD 8570 IAT II or higher certification (such as CompTIA Security+ CE, ISC2 SSCP, SANS GSEC, etc.) prior to starting.


• Must be able to obtain DoD 8570 CSSP-Analyst certification (such as CEH, CySA+, GCIA, etc.) within 6 months of starting.

Required Qualifications

• Must be willing to perform shift work on site: any shift to include weekend hours, and inclement weather (SOC is deemed mission essential personnel).


• Bachelor's degree and 8+ years of prior relevant experience; additional military service and/or relevant work experience may be considered in lieu of degree.


• 12 years minimum work experience without education.


• 2+ years of prior incident handling/response experience.


• 2+ years of experience working in a SOC environment.


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


• Demonstrated understanding of the life cycle of network threats, attacks, attack vectors and methods of exploitation with an understanding of intrusion set tactics, techniques and procedures (TTPs).


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


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


• Demonstrated commitment to mentoring, training, self-study and maintaining proficiency in the technical cybersecurity domain and an ability to think and work independently.


• Strong analytical and troubleshooting skills.

Preferred Qualifications

• Hands-on experience analyzing high volumes of logs, network data (e.g. Netflow, 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. ArcSight, Splunk, Nitro/McAfee Enterprise Security Manager, QRadar, LogLogic).


• Experience and proficiency with any of the following: Anti-Virus, HIPS/HBSS, IDS/IPS, Full Packet Capture, Network Forensics.


• Experience with malware analysis concepts and methods.


• Unix/Linux command line experience.


• Scripting and programming experience.


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


• Familiarity or experience in Intelligence Driven Defense, Cyber Kill Chain methodology, and/or MITRE ATT&CK framework.

Company Overview

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: $107,900.00 - $195,050.00

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 here.

Commitment and Diversity

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.

Other Information

Original Posting: September 30, 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 $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and 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.

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 $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

Security Advisory

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].