Principal Network Evaluator; NE

Leidos has a new and exciting opportunity for a Principal Network Evaluator in our Intel Sector’s Cyber & Analytics Business Area
. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods, Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos
, we offer competitive benefits including Paid Time Off, 11 paid holidays, a 401(k) with a 6% company match and immediate vesting, flexible schedules, a discounted stock purchase plan, technical upskilling, education and training support, parental paid leave, and much more.
Join us and make a difference in National Security!

Our LOE program delivers the best possible solutions for customer operations with rapid prototyping, new development, and advanced technology research. From leading‑edge visualizations to analytic development, we push the boundaries to find new data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast‑paced environment, the prototype development program is the ideal place to grow your skills and make a real impact.

• 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).

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

Pay Range
: $ – $

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.