Computer Network Defense Analyst

RealmOne; Columbia (MD); On-site; USD 91,000 - 263,000; Full time

Benefits offered by this job

Healthcare coverage

401K plan

PTO & holidays

Career development

Parental leave

Job summary

RealmOne is seeking a Computer Network Defense Analyst (CNDA) in Maryland to identify vulnerabilities, respond to cyber events, and defend against threats using IDS, firewalls, and log analysis. The role emphasizes network defense, mitigations, and support for wired/wireless networks plus collaboration platforms.

Demonstrated experience in cyber security, information assurance, and systems engineering is required, with active clearance and polygraph as stated.

Qualifications

• Requires active Security Clearance with appropriate Polygraph.
• Multiple education/experience pathways across levels 1–4 with networking/cyber focus.
• Degree fields include Network/Systems IT or related engineering/computer science.

Responsibilities

• Utilize information from IDS, firewalls, network logs, and host logs to identify vulnerabilities and defend against threats.
• Develop mitigations to strengthen network defenses and protect infrastructure devices/systems.
• Support data transport methods including wired and wireless networks and collaboration platforms.

Education

Associate's Degree with 4 years of experience

Bachelor's Degree with 2 years of experience

Associate's Degree with 7 years of experience

Bachelor's Degree with 5 years of experience

Master's Degree with 3 years of experience

PhD with 2 years of experience

18 semester hours of military training/coursework in networking, computer science, or cyber topics equivalent to an Associate's degree

Degree must be in Network Engineering, Systems Engineering, Information Technology, or related field

Job description

Overview

RealmOne is a mid-sized science and technology company focused on solving customers' toughest mission challenges. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We offer exceptional benefits, flexible schedules, paid training, mentoring, and the opportunity to work alongside industry professionals.

Job Description

We are seeking a Computer Network Defense Analyst (CNDA) with experience in computer or information systems design, programming, cybersecurity, vulnerability analysis, penetration testing, computer forensics, information assurance, and systems engineering. You will utilize information from intrusion detection systems, firewalls, network traffic logs, and host system logs to identify vulnerabilities, respond to cyber events, and defend against threats. You will help develop mitigations to strengthen network defenses and protect network infrastructure devices or systems. Your work may involve traditional wired networks, wireless transport (Wi-Fi and cellular), and collaborative platforms like video teleconferencing, along with supporting hardware and software. Experience in network or system administration is required.

Responsibilities

• Utilize information from intrusion detection systems, firewalls, network traffic logs, and host system logs to identify potential vulnerabilities, respond to cyber events, and defend against threats.
• Develop mitigations to strengthen network defenses and protect network infrastructure devices or systems.
• Support data transport methods including wired networks, wireless transport (Wi‑Fi and cellular), and collaborative platforms such as video teleconferencing, along with associated hardware and software.

Qualifications

• Level 1: Associate's Degree with 4 years of experience or Bachelor's Degree with 2 years of experience
• Level 2: Associate's Degree with 7 years of experience or Bachelor's Degree with 5 years of experience, Master's Degree with 3 years of experience, or PhD with 2 years of experience
• Level 3: Associate's Degree with 10 years of experience or Bachelor's Degree with 8 years of experience, Master's Degree with 6 years of experience, or PhD with 4 years of experience
• Level 4: Associate's Degree with 13 years of experience or Bachelor's Degree with 11 years of experience, Master's Degree with 9 years of experience, or PhD with 7 years of experience
• All Levels: 18 semester hours of military training/coursework in networking, computer science, or cyber topics equivalent to an Associate's degree
• Degree must be in Network Engineering, Systems Engineering, Information Technology, or related field (e.g., General Engineering, Computer Engineering, Electrical Engineering, Computer Science, Computer Forensics, Cyber Security, Software Engineering, Information Assurance, or Computer Security)

Position requires active Security Clearance with appropriate Polygraph

Compensation

Pay Range: 91,000 - 263,000

The RealmOne pay range is a general guideline and not a guaranteed offer. Offers consider role responsibilities, education, experience, and relevant competencies.

Benefits

• Healthcare Coverage: Medical options with company-paid premiums; dental and vision fully paid for employees and family with option to buy up.
• Retirement + Savings: 401K with total contributions and profit share; immediate vesting.
• Paid Time Off + Holidays: PTO accrual, federal holidays, and paid training time.
• Career Growth: Access to learning resources and opportunities for professional development.
• Additional Benefits: Paid parental leave, adoption assistance, flexible schedules, referral bonuses, and employee appreciation events.

About Us

• RealmOne is a mid-sized science and technology company delivering cybersecurity, data science, and software engineering services and products.
• Headquartered in Columbia, MD, serving Government and commercial sectors.
• We support government customers across multiple U.S. locations with mission assurance and critical systems support.
• RealmOne has earned awards including Top Workplace recognition and operates with numerous active contracts.

Disclaimer

Benefits packages offered are subject to variation by location, clearance level, and eligibility criteria. Specific eligibility and scope of benefits may differ and are subject to modification by the company.