396 - Principal Network Evaluator

At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government. ARSIEM has an experienced workforce of qualified professionals committed to delivering reliable and cutting-edge technical solutions at the best value to our clients. This role offers opportunities to grow and make an impact across every client you work with.

About the role

ARSIEM is seeking a motivated Principal Network Evaluator to support an exciting Computer Network Defense mission. The Evaluator will work closely with Government stakeholders to identify vulnerabilities, investigate cyber threats, conduct network defense operations, and provide actionable recommendations that strengthen enterprise security and mission capabilities. This position supports a government client in Linthicum, MD.

Responsibilities

• 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.
• Perform vulnerability assessments using industry-standard tools and techniques.
• Analyze network traffic and audit logs, conduct packet analysis, and research emerging technologies and vulnerabilities.
• Support digital forensics and exploitation activities.
• Document analytic findings and produce comprehensive reports and recommendations for Government stakeholders.

Requirements

• Bachelor's degree plus 11 years of relevant experience, or equivalent.
• Experience with computer network defense, vulnerability assessment, incident response, packet analysis, network protocols, SIEM technologies, and cybersecurity analysis.
• Strong networking knowledge and analytical and problem-solving skills.
• Experience researching system vulnerabilities and developing mitigation strategies.
• Practical experience with Splunk and Elastic.
• Active TS/SCI clearance with a polygraph (required).
• U.S. citizenship (required).

Qualifications

• Experience with Wireshark, tcpdump, or similar network analysis and SIEM tools.
• Knowledge of digital forensics, intrusion detection systems, vulnerability scanning technologies, MITRE ATT&CK, and NIST cybersecurity frameworks.
• Familiarity with scripting languages.
• Relevant cybersecurity certifications (Security+, CySA+, GCIH, GCIA, GCFA, CISSP, or equivalent).
• Previous Hunt/Blue Team experience.
• Knowledge of Network Defense Integrity (NDI) Methodology.

Pay

$177,000 - $198,000 a year. The ARSIEM 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 job responsibilities, education, experience, knowledge, skills, abilities, internal equity, alignment with market data, applicable bargaining agreements, or other laws.

Benefits

For an overview of our benefits, visit our benefits page.

ARSIEM offers a candidate referral bonus of $5,000 for this position. The bonus is paid after the referred employee reaches six months of employment, provided the referral is a new candidate successfully placed within 12 months.