Network Engineer

Dynamic Solutions Technology, LLC, a premier strategic services firm that meets IT and Service needs for commercial and government clients. We are is seeking a full-time Network Engineer III to support DoN/DoD contract work out of Rockville, MD.

MUST BE U.S. CITIZEN

Responsibilities:

• Manage and maintain network segmentation and security zones; enforce isolation of high-risk systems via firewalls or equivalent controls.
• Design, implement, and maintain firewall rules using a least-privilege, default-deny posture; restrict ports, protocols, and sources/destinations.
• Restrict and manage remote administrative access to approved management networks.
• Maintain version-controlled firewall configuration files and follow change management procedures for rule additions, deletions, and modifications.
• Validate configuration syntax and rule ordering prior to deployment; evaluate and verify Firewall Waiver requests against defined exception requirements before submission
• Conduct quarterly firewall rule reviews to remove obsolete/unused rules, validate effectiveness using logs or flow analysis, and adjust rules as needed.
• Perform routine maintenance including firmware/OS upgrades per vendor and customer guidance; verify firewall redundancy/failover and maintain secure backups of configuration files.
• Validate and monitor logs for network components to ensure compliance with OMB M-21-31 mandates; confirm log configuration, add-ons, and key-value pair creation per vendor recommendations.
• Support IT security data calls, produce compliance artifacts, and perform other IT security tasks as directed by customer leadership.
• Produce and maintain documentation for firewall configurations, reviews, upgrades, backups, and change control activities
• All other duties assigned

Requirements:

• Federal background investigation required; ability to obtain or possess moderate-to-high federal clearance preferred
• Bachelor's Degree from an accredited college or university in Information Technology, or related field
• 5+ years of hands-on network administration/security experience, including firewall management and network segmentation.
• CompTIA Security+ w/CE and Cisco Certified Network Associate (CCNA)

Skills:

• Excellent oral and written skills.
• Excellent critical thinking skills.
• Proficient in Microsoft applications such as Word, Excel, PowerPoint, and Outlook.