Network Evaluator-Principal

NetSage; Maryland; On-site; USD 110,000 - 150,000; Full time

Job summary

NetSage is seeking a Principal Network Evaluator to protect enterprise networks. The role involves identifying vulnerabilities, investigating cyber threats, and conducting network defense activities.

The ideal candidate will have significant experience in cybersecurity, a Bachelor’s degree in Network Engineering or related field, and strong analytical skills. This position offers an opportunity to make impactful contributions in a complex enterprise environment.

Qualifications

• TS/SCI with polygraph security clearance required.
• 11 years of relevant experience for a Bachelor’s degree.
• Experience with Computer Network Defense or defensive cyber operations.
• Strong understanding of network protocols and packet analysis.

Responsibilities

• Identify vulnerabilities and investigate cyber threats.
• Conduct network defense activities.
• Provide actionable recommendations for security improvements.
• Support incident response and network security investigations.

Skills

Cybersecurity expertise

Network engineering knowledge

Analytical skills

Experience with SIEM platforms

Incident response

Vulnerability assessments

Education

Bachelor of Science in Network Engineering or related field

Doctoral degree

Master of Science degree

Associate of Science degree

Tools

Splunk

Elasticsearch/Elastic

Wireshark

tcpdump

Job description

Due to the sensitive nature of the work we support, some job descriptions intentionally provide a high-level overview of the role. If you'd like to learn more about a particular opportunity, we encourage you to apply directly or connect with us through our Get In Touch page. We'd be happy to discuss how your experience aligns with our mission and explore where you can make an impact.

Job Description

We are seeking a Principal Network Evaluator to protect enterprise networks. In this role, you will work closely with mission stakeholders to identify vulnerabilities, investigate cyber threats, conduct network defense activities, and provide actionable recommendations that strengthen mission capabilities and security. The ideal candidate for this role will be a seasoned cybersecurity professional with strong analytical skills, deep networking knowledge, and a passion for defending complex enterprise environments. Please consider applying if you meet the following qualifications.

Required Qualifications

• TS/SCI with polygraph security clearance.
• A Bachelor of Science (B.S.) degree in Network Engineering or a related field and eleven (11) years or relevant experience is required. A Doctoral degree (PHD) and seven (7) years, a Master of Science (M.S.) degree and nine (9) years, an Associate of Science (A.S.) degree and thirteen (13) years, or at least eighteen (18) semester hours of military coursework/training in networking, computer science, or cyber topics and thirteen (13) years of relevant experience is also acceptable.
• Experience supporting Computer Network Defense (CND) or defensive cyber operations.
• Experience conducting vulnerability assessments and cybersecurity analysis.
• Experience supporting incident response and network security investigations.
• Strong understanding of network protocols, packet analysis, and enterprise networking concepts.
• Experience working with Security Information and Event Management (SIEM) platforms.
• Experience researching system vulnerabilities and developing effective mitigation strategies.
• Practical experience using Splunk and Elasticsearch/Elastic.

Desired Qualifications

• Experience using network analysis tools such as Wireshark, tcpdump, or similar packet capture and traffic analysis tools.
• Knowledge of digital forensics, intrusion detection systems (IDS), and vulnerability scanning technologies.
• Familiarity with the MITRE ATT&CK framework and NIST Cybersecurity Framework (CSF).
• Experience developing automation or analysis scripts using languages such as Python, PowerShell, or Bash.
• Relevant cybersecurity certifications such as CompTIA Security+, CompTIA CySA+, GIAC Certified Incident Handler (GCIH), GIAC Certified Intrusion Analyst (GCIA), GIAC Certified Forensic Analyst (GCFA), Certified Information Systems Security Professional (CISSP), or equivalent certifications.