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TEKsystems Junior Cyber Network Defense Analyst (Must Have A TS/SCI!!) in Steens, Mississippi

(Must Have A TS/SCI!!)


Leidos is seeking a Junior Cyber Network Defense Analyst to join our team on a highly visible cyber security single-award IDIQ vehicle that provides security operations center (SOC) support, cyber analysis, application development, and a 24x7x365 support staff for the Department of Homeland Security.

The Monitoring and Analysis team provide 24x7 support across 4 different shifts. We have Front half shifts (day and night) and back half shifts (day and night). The front half shift will work 12 hour shifts from Sunday – Tuesday and alternating Wednesdays. The back half shift will work 12 hour shifts from Thursday – Saturday and alternating Wednesdays. Candidates must have the ability to work non-core hours, if necessary.

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 alerts

• 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

Basic Qualifications

All Junior Cyber Network Defense Analyst candidates shall have a bachelor’s degree in Computer Science, Engineering, Information Technology, Cybersecurity, or related field AND a minimum of 2+ years professional experience in the areas listed below:

• Network Administration

• Unix/Linux Administration

• Software engineering

• Software development

• Systems administration

• Help desk/IT support


Soc, Siem, Monitoring tools, Cyber security, Incident response, PCAP, firewall, proxy, ipsec, OSINT

Top Skills Details:

Soc,Siem,Monitoring tools,Cyber security,Incident response

Additional Skills & Qualifications:

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 of the following certifications:

CompTIA: Security+, Network+, CASP




Offensive Security: OSCP, OSCE, OSWP and OSEE

Must have current TS/SCI!!

In addition to specific security clearance requirements, all Department of Homeland Security SOC employees are required to obtain an Entry on Duty (EOD) clearance to support this program. This could take anywhere from 2-6 months so we prefer candidates to be in a stable position of employment, active duty, or military transition

Experience Level:

Entry Level

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.

We are an equal opportunity employers and will consider all applications without regard to race, genetic information, sex, age, color, religion, national origin, veteran status, disability or any other characteristic protected by law. To view the EEO is the law poster click here. Applicants with disabilities that require an accommodation or assistance a position, please call 888-472-3411 or email This is a dedicated line designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Messages left for other purposes will not receive a response.