Cyber Network Defense Analyst

TEKsystems is seeking a Junior Cyber Network Defense Analyst to join our client's team that provides Security Operations Center (SOC) support and cyber analysis for the Department of Homeland Security. Candidates must posses an active TS/SCI clearance and be willing to support a 24x7 operation 12 hour shifts 3 on 4 off day and night.

Duties include network security monitoring and detection. Proactively searching for threats. Inspect traffic for anomalies and new malware patterns. Investigate and analyze logs. Provide analysis and response to alerts, and document activity in SOC investigations and Security Event Notifications (SENs).

• Utilize a SIEM for enterprise monitoring and detection
• Create Security Event Notifications to document investigation findings
• Perform critical thinking and analysis to investigate cyber security alert
• Analyze network traffic using enterprise tools (e.g. Full PCAP, Firewall, Proxy logs, IDS logs, etc)
• Collaborate with team members to analyze an alert or a threat
• Stay up to date with latest threats
• Monitor shared email box for notifications and requests
• Utilize OSINT to aid in their investigation
• Contribute to content tuning requests

• Must have current TS/SCI
• Relevant experience supporting a Security Operations Center
• Experience with Security Incident and Event Management (SIEM)
• Network Traffic Analyzation

• Must meet one of the following education + experience requirements:
  • Bachelor of Science (BS) degree in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science AND a minimum of two (2) years professional experience.
  • Associates of Science (AS) degree AND a minimum of six (6) years professional experience
  • High School Diploma or General Education Degree (GED) AND a minimum of eight (8) years of professional experience
• Candidates should also demonstrate the following:
  • Familiarity with a SOC’s purpose and role within an organization
  • General understanding of common network ports and protocols (e.g. TCP/UDP, HTTP, ICMP, DNS, SMTP, etc)
  • Familiarity with network topologies and network security device functions (e.g. Firewall, IDS/IPS, Proxy, DNS, etc).
  • Familiarity with packet analysis tools such as Wireshark
  • Able to perform critical thinking and analysis to investigate cyber security alerts
  • Familiarity with common malware and attack vectors
  • Familiarity with Windows operating systems and standard OS logging
  • Familiarity with Antivirus, DLP, and host-based firewalls
  • Must have at least one (1) of the following certifications:
    • CompTIA:
      Security+, Pen Test+, Cloud+, CySA+
    • SANS GIAC: GFACT, GCED, GSEC, GCIA, GDSA, GICSP, GCFA, GISF
    • EC Council: CEH
    • CISCO: CBROPS
    • Cert Nexus: CFR
    • Federal IT Security Institute: FITSP-O

• 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)

• This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret)
• Because an active or interim DoD clearance is required, U.S. Citizenship is required

Job Type & Location

This is a Contract position based out of Chandler, Arizona.

Pay and Benefits

The pay range for this position is $33.65 - $45.67/hr.

Workplace Type

This is a fully onsite position in Chandler, Arizona.

Final date to receive applications

This position is anticipated to close on Mar 2, 2026.

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