Senior Network Defense & Threat Analyst

NetSage; Maryland; On-site; USD 140,000 - 190,000; Full time

Job summary

NetSage is seeking a Principal Network Evaluator to protect enterprise networks and coordinate with mission stakeholders. You will identify vulnerabilities, investigate cyber threats, and conduct network defense activities to strengthen security across complex environments.

The ideal candidate has strong networking knowledge, experience with SIEM platforms, and a passion for defending critical systems. This is a senior role aligned with national security missions.

Qualifications

• TS/SCI clearance with polygraph is required.
• B.S. in Network Engineering or related field with 11+ years of relevant exp; higher degrees accepted with adjusted years.
• 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.
• Experience with SIEM platforms and vulnerability research.
• Experience using Splunk and Elasticsearch/Elastic.

Responsibilities

• Protect enterprise networks and defend against cyber threats.
• Identify vulnerabilities and conduct vulnerability assessments.
• Investigate cyber threats and respond to incidents.
• Provide actionable recommendations to strengthen mission security.

Skills

Security clearance TS/SCI with poly

Strong networking knowledge

Vulnerability assessments

Incident response

Network defense (CND)

Analytical skills

SIEM experience

Threat investigation

Education

B.S. in Network Engineering or related field

Ph.D. in related field

M.S. in related field

A.S. in networking/cyber or equivalent

13+ years military coursework/training in networking or cyber

Tools

Splunk

Elasticsearch/Elastic

SIEM platforms

Wireshark

tcpdump

Job description

NetSage is seeking a Principal Network Evaluator to protect enterprise networks and coordinate with mission stakeholders. You will identify vulnerabilities, investigate cyber threats, and conduct network defense activities to strengthen security across complex environments.

The ideal candidate has strong networking knowledge, experience with SIEM platforms, and a passion for defending critical systems. This is a senior role aligned with national security missions.