Cyber Security Analyst

Ready to take your cybersecurity experience beyond routine alert monitoring

Leidos Enterprise & Cyber Solutions Defense is seeking a Cyber Security Analyst to support the C5ISR Defensive Cyber Solutions Branch (DCSB) and help protect critical Department of Defense networks systems and data from sophisticated cyber threats. Youll join a high-visibility Security Operations Center (SOC) providing 24x7x365 defensive cyber operations including continuous monitoring threat detection incident response and vulnerability management.

Our team protects a diverse multi-tenant environment spanning on-premises infrastructure and leading cloud platforms including AWS Microsoft Azure Google Cloud Platform (GCP) Oracle Cloud and SaaS environments. If you thrive on investigating complex threats analyzing network activity and working alongside experienced cyber professionals to defend critical missions we want to hear from you.

Location: Fort Belvoir VA

Clearance: U.S. Citizenship with an active TS/SCI with SAP Eligibility
Required Certifications: Baseline certification (Security CE) and CSSP-Infrastructure Support

Primary Responsibilities:

• Lead and coordinate investigations throughout the Incident Response lifecycle from initial detection through remediation.

• Correlate and analyze security events alerts logs and network data to determine the scope and impact of cyber incidents.

• Acquire and analyze endpoint and network artifacts including NetFlow and full packet capture to identify malicious or suspicious activity.

• Identify attacker tactics techniques and procedures (TTPs) and indicators of compromise (IOCs) to strengthen detection and response capabilities.

• Tune and maintain SIEM and IDS technologies to reduce false positives and improve SOC detection effectiveness.

• Develop and maintain Incident Response processes procedures workflows and playbooks.

• Document investigations and response actions in case management systems and prepare clear actionable incident reports.

• Collaborate with cyber professionals in a fast-paced operational environment to defend the DoD Information Network (DoDIN) against sophisticated threats and advanced persistent threat (APT) actors.

Basic Qualifications:

• Bachelors degree and 48 years of relevant cybersecurity experience.

• Hands-on experience using an enterprise Security Information and Event Management (SIEM) platform.

• Experience analyzing high volumes of security logs and network data including NetFlow and/or full packet capture.

• Experience with network traffic and packet analysis.

• Strong understanding of TCP/IP common ports and protocols network traffic flows the OSI model system administration defense-in-depth and network security technologies.

• Understanding of cloud security concepts and considerations.

• Familiarity with Unix-based systems.

• Ability to work effectively in a collaborative mission-focused SOC environment.

• Baseline certification (Security CE) and CSSP-Infrastructure Support certification at start.

• U.S. citizenship with an active TS/SCI clearance with SAP Eligibility.

Preferred Qualifications: You dont need to check every box below. Wed especially like to hear from candidates with experience in one or more of the following areas:

• Cybersecurity experience across Protect Detect Respond and Sustain functions within a Computer Incident Response or Security Operations organization.

• Experience working in a 24x7 SOC or cyber operations environment.

• Understanding of the cyber threat lifecycle attack vectors exploitation techniques and adversary behavior.

• Familiarity with intelligence-driven defense Cyber Kill Chain methodology and/or related threat frameworks.

• Experience analyzing advanced attacker TTPs and indicators of compromise.

• Strong written and verbal communication skills including the ability to translate complex technical findings into clear actionable reports.

• A proactive self-motivated approach with the ability to perform effectively in a fast-paced operational environment.

Your Impact
This role gives you the opportunity to investigate real-world cyber activity work with enterprise-scale security data and technologies and directly strengthen defensive cyber capabilities.

At Leidos youll work alongside a mission-focused team helping protect the digital infrastructure behind critical national security operations.

If youre ready to bring your cybersecurity expertise to a mission that matters apply today.

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.

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.