Cyber Network Defense Analyst

Description

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).

Primary Responsibilities:

• 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 ( 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

Top Skill Requirements:

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

Additional Skills/Qualifications:

• 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 organizationGeneral understanding of common network ports and protocols ( TCP/UDP, HTTP, ICMP, DNS, SMTP, etc)Familiarity with network topologies and network security device functions ( Firewall, IDS/IPS, Proxy, DNS, etc).Familiarity with packet analysis tools such as WiresharkAble to perform critical thinking and analysis to investigate cyber security alertsFamiliarity with common malware and attack vectorsFamiliarity with Windows operating systems and standard OS loggingFamiliarity with Antivirus, DLP, and host-based firewalls
• Must have at least one (1) of the following certifications: CompTIA: Security+, PenTest+, Cloud+, CySA+SANS GIAC: GFACT, GCED, GSEC, GCIA, GDSA, GICSP, GCFA, GISFEC Council: CEHCISCO: CBROPSCertNexus: CFRFederal IT Security Institute: FITSP-O

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• 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, 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 $ - $

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • 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)

Workplace Type

This is a fully onsite position in Chandler,Arizona.

Application Deadline

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

h4>About TEKsystems:

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.