TEKsystems · 10 hours ago
Cyber Network Defense Analyst *TS/SCI Clearance Required*
TEKsystems is partnering with a federal client to find a Cyber Network Defense Analyst to support a mission-critical Security Operations Center (SOC) in Bay St. Louis, MS. The role involves monitoring, detecting, analyzing, and responding to cyber threats across enterprise systems, contributing to national security efforts.
Information Technology
Responsibilities
Monitor and analyze network security events using enterprise SIEM tools
Perform incident response, investigation, and threat analysis
Proactively hunt for threats and identify anomalies or malicious activity
Inspect network traffic for indicators of compromise and malware patterns
Analyze logs and alerts from firewalls, IDS/IPS, proxies, and PCAP data
Document findings through Security Event Notifications (SENs)
Leverage OSINT to support investigations
Collaborate with SOC team members on alerts and active threats
Contribute to detection content tuning and continuous SOC improvement
Stay current on emerging cyber threats and attack vectors
Monitor shared SOC inboxes for notifications and requests
Qualification
Required
Active TS/SCI clearance (required)
Experience supporting a Security Operations Center (SOC)
Hands-on experience with SIEM tools (Splunk preferred)
Strong understanding of incident response and security operations
Experience with network traffic analysis
Common network protocols (TCP/UDP, HTTP, DNS, SMTP, ICMP)
Network security devices (Firewalls, IDS/IPS, Proxies)
Packet analysis tools (e.g., Wireshark)
Windows operating systems and OS-level logging
Antivirus, DLP, and host-based firewalls
Familiarity with malware types and attack vectors
Strong critical-thinking and analytical skills
Candidates must meet one of the following: Bachelor's Degree (IT, Cybersecurity, Computer Science, Information Systems, Data Science) + 2 years relevant professional experience OR Associate's Degree + 6 years relevant professional experience OR High School Diploma/GED + 8 years relevant professional experience
Relevant Experience Areas Include: Network Administration, Systems Administration, Unix/Linux Administration, Software Engineering or Development, Help Desk / IT Support
Required Certifications (At Least One): CompTIA: Security+, CySA+, PenTest+, Cloud+, SANS GIAC: GFACT, GCED, GSEC, GCIA, GCFA, GDSA, GISF, GICSP, EC-Council: CEH, Cisco: CBROPS, CertNexus: CFR, Federal IT Security Institute: FITSP-O
Preferred
ArcSight experience
Threat hunting or malware analysis
Firewall and network security tools
McAfee or similar endpoint security platforms
Scripting (Python, PowerShell)
Familiarity with SOC methodologies and processes
Benefits
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Company
TEKsystems
At TEKsystems, they understand people. Every year they deploy over 80,000 IT professionals at 6,000 client sites across North America,
Funding
Current Stage
Late StageRecent News
Morningstar.com
2026-02-03
2025-11-19
2025-10-29
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