Network Engineer

Dynamic Solutions Technology•Rockville, MD

40d

About The Position

Dynamic Solutions Technology, LLC , a premier st rategic 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 networ k administration/security experience, including firewall management and network segmentation.
CompTIA Security+ w/CE and Cisco Certified Network Associate (CCNA)
Excellent oral and written skills.
Excellent critical thinking skills.
Proficient in Microsoft applications such as Word, Excel, PowerPoint, and Outlook.

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