Cyber Network Defense Analyst

Leidos

Cyber Network Defense Analyst managing cyber analysis and incident response within government security programs. Offering comprehensive monitoring and remediation of cyber threats on a 24x7 basis.

Posted 5/23/2026full-timeWashington DC • District of Columbia, Mississippi, Washington • 🇺🇸 United StatesJuniorMid-Level💰 $69,550 - $125,725 per yearWebsite

Tech Stack

Tools & technologies

Cyber SecurityDNSSMTPTypeScript

About the role

Key responsibilities & impact

Manage and conduct hands-on technical detection, analysis, containment, eradication, and remediation as a member of the Incident Response team
Guide and mentor peers and subordinates to provide cross training
Ensure accountability and punctuality of security analysts assigned to your shift
Capture cybersecurity metrics that support executive-level briefings (daily, weekly, monthly)
Articulate daily challenges to the Government Watch Officer (GWO)
Analyze web and host logs for indications of compromise
Remediate and coordinate the remediation of infected or compromised devices
Ensure shift continuity during call-outs and emergencies
Compile incident reports, executive summaries, and analysis reports of intrusions and/or security events
Document and update processes, workflows, and technical guides
Perform simple firewall rule changes (after training)

Requirements

What you’ll need

Bachelor's Degree
2-4 years of SOC analyst experience
Extensive knowledge of a SOC’s/NOSC’s purpose
Detailed understanding of common network ports and protocols (e.g. TCP/UDP, HTTP, ICMP, DNS, SMTP, etc)
Expertise with network topologies and network security device functions (e.g. Firewall, IDS/IPS, Proxy, DNS, etc)
Expertise with packet analysis tools such as Wireshark
Certification Requirement: Sec+, CEH, CySA+ or SANS certs
U.S. Citizenship Required
Must have TS/SCI clearance to start

Benefits

Comp & perks

competitive compensation
Health and Wellness programs
Income Protection
Paid Leave
Retirement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

incident responsecybersecurity metricslog analysisremediationfirewall rule changesnetwork portsnetwork protocolspacket analysisnetwork security devicesSOC analyst experience

Soft Skills

mentoringaccountabilitypunctualitycommunicationdocumentationteam collaborationproblem-solvinganalytical thinkingreport writingcross training

Certifications

Sec+CEHCySA+SANS certs