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Principal Network Evaluator (NE-4)

Leidos
Posted a month ago, valid for 11 days
Location

Linthicum, MD, US

Salary

$131,300 - $237,350 per year

Contract type

Full Time

Paid Time Off
Sign On Bonus

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Sonic Summary

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  • Leidos is seeking a Principal Network Evaluator for their Intel Sector's Cyber & Analytics Business Area, focusing on Computer Network Defense missions.
  • Candidates must have a Bachelor's degree and eleven years of relevant experience, along with strong networking knowledge and analytical skills.
  • The position offers a competitive salary range of $131,300 to $237,350, with potential incentives including a $25K sign-on bonus or paid time off bonus.
  • Responsibilities include conducting vulnerability assessments, analyzing network systems, and providing actionable recommendations to enhance security.
  • An active TS/SCI security clearance with Polygraph is required, along with desirable skills in digital forensics and various cybersecurity frameworks.

Leidos has a new and exciting opportunity for a Principal Network Evaluator in our Intel Sector.  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Join us and make a difference in National Security!  

Job Summary:

Our program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Click here to learn more about how this program “Delivers Mission Success!”

Seeking a motivated Principal Network Evaluator with strong networking knowledge to support an exciting Computer Network Defense mission. The Evaluator will work closely with Government stakeholders to identify network vulnerabilities, investigate cyber threats, conduct network defense operations, and provide actionable recommendations that strengthen enterprise security and mission capabilities.

Qualified candidates are eligible for enhanced incentives including up to a $25K cash sign on bonus or a paid time off bonus.

Job Responsibilities/Qualifications:

  • Mission Focus: Conduct proactive computer network defense activities by analyzing systems and networks to identify vulnerabilities, detect network intrusions, monitor security events, assess attack surfaces, and develop operational courses of action to mitigate cyber threats.
  • Technical Proficiency: Perform vulnerability assessments using industry-standard tools and techniques, analyze network routing devices, traffic, and audit logs, conduct packet analysis, research emerging technologies and vulnerabilities, support digital forensics and exploitation analysis, document analytic findings, and produce comprehensive reports and recommendations for Government stakeholders.
  • Qualifications: Bachelor's degree plus eleven (11) years of relevant experience, or equivalent. Strong networking knowledge (Cisco, Juniper, & Arista devices and protocols), analytical and problem-solving skills. Experience with computer network defense, vulnerability assessment, incident response, packet analysis, SIEM technologies, and cybersecurity analysis. Experience researching system vulnerabilities and developing mitigation strategies. Practical experience with Splunk and Elastic.
  • Security Clearance: Active TS/SCI with Polygraph required to be considered for this role.
  • Desirable Skills: Previous Hunt/Blue Team experience.  Knowledge of Network Defense Integrity (NDI) Methodology, digital forensics, intrusion detection systems, vulnerability scanning technologies, MITRE ATT&CK, NIST cybersecurity frameworks, and scripting languages. Experience with Wireshark, tcpdump, or similar network analysis and SIEM tools. Relevant cybersecurity certifications (Security+, CySA+, GCIH, GCIA, GCFA, CISSP, or equivalent).

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today!

Careers.leidos.com

CONMD

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

July 8, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.




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