Cyber Network Defense Analyst III (Cybersecurity)

Location: Onsite in Sterling, VA or Arlington, VA, United States

Salary: $99,000–$206,000 per year

Company

hirify.global provides cyber operations, cyber defense, data operations, systems integration, intelligence mission support, and software modernization services for government, defense, civil, commercial, and critical-asset customers.

What you will do

• Monitor network activity and analyze traffic, metadata, alerts, and events for anomalous or malicious behavior.
• Investigate cyberattacks and intrusions, determine their severity, reconstruct attack activity, and assess exploited weaknesses and impact.
• Validate IDS alerts using packet analysis and protocol analyzer tools, distinguishing genuine incidents from benign activity.
• Document, escalate, and coordinate incident response activities with enterprise cyber defense staff.
• Develop trend analyses, daily network activity reports, and situational-awareness assessments.
• Assist with creating and deploying detection signatures for newly observed threats.

Requirements

• U.S. citizenship and an active TS/SCI clearance are required.
• Ability to obtain DHS Entry on Duty suitability is required.
• At least 5 years of direct relevant experience in cyber defense analysis.
• Experience with signature development and deployment, intrusion detection technologies such as Snort, incident handling methodologies, protocol analyzers, packet-level analysis, and cyber defense data collection.
• Bachelor’s degree in Computer Science, Cyber Security, Computer Engineering, or a related field; alternatively, a high school diploma and 7+ years of network investigations experience.
• Experience interpreting signatures and conducting cyber defense trend analysis.

Nice to have

• Python programming experience.
• Strong mathematics and science background.
• Experience with the Carnegie Mellon SiLK tool suite.
• Professional certifications such as GNFA, GCIH, GCIA, GSEC, CASP+, CySA+, PaLMS, FedVTE, ArcSight, Network+, or Security+.

Culture & Benefits

• Onsite support for a U.S. Government customer focused on immediate cyberattack investigation and resolution.
• Medical, vision, and dental insurance.
• 401(k) plan.
• Paid time off and holidays.
• Additional insurance coverage.