Network Evaluator-Principal

Location: Annapolis Junction, Maryland, United States

Department: Cybersecurity

At NetSage, we are more than a government contractor—we are a mission-focused partner dedicated to advancing national security through exceptional cyber expertise. We believe our success begins with our people, which is why we invest in and care for our employees. We know that employee retention is mission continuity, and we are committed to building long-term careers where our people can grow alongside our customers' evolving missions. Our employees enjoy meaningful work, competitive compensation, outstanding benefits, and opportunities to expand their skills across multiple mission areas. To learn more about our comprehensive benefits and what it's like to build your career at NetSage, visit our Careers page.

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 of relevant experience. Also acceptable are a Doctoral degree (PH.D.) 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. 
• 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.