Senior Computer Network Defense Analyst (CNDA)

RealmOne; Columbia (MD); On-site; USD 141,000 - 183,000; Full time

Benefits offered by this job

Healthcare coverage

401K retirement

PTO + holidays

Training & development

Flexible schedules

Job summary

RealmOne is seeking a Computer Network Defense Analyst (CNDA) to detect, respond, and defend critical networks. You will analyze intrusion data from IDS, firewalls, and logs, then craft mitigations to strengthen defenses. Experience in cyber operations and system engineering is essential for this mission‑critical contract.

Active security clearance with polygraph is required. The position is based in Columbia, MD, with full‑time hours and competitive compensation.

Qualifications

• Bachelor's or higher degree holders with progressive cyber/IT experience.
• Clearance requirement noted; polygraph likely required.
• Strong background in cyber defense, threat response, and defense measures.

Responsibilities

• Identify vulnerabilities using IDS, firewalls, logs, and host data.
• Develop mitigations to strengthen network defenses and deter threats.
• Support diverse data transport methods and secure network infrastructure.

Skills

Cybersecurity

Network engineering

Vulnerability analysis

Intrusion detection

Education

Associate's Degree with 10 years of experience

Bachelor's Degree with 8 years

Master's Degree with 6 years

PhD with 4 years

Equivalent military training (18 semester hours)

Degree fields: Network/Systems IT or related

Job description

RealmOne is seeking a Computer Network Defense Analyst (CNDA) to detect, respond, and defend critical networks. You will analyze intrusion data from IDS, firewalls, and logs, then craft mitigations to strengthen defenses. Experience in cyber operations and system engineering is essential for this mission‑critical contract.

Active security clearance with polygraph is required. The position is based in Columbia, MD, with full‑time hours and competitive compensation.