Senior Network Engineer

Senior Network Engineer

Senior Network Engineer at Computer World Services Corp. (CWS).

The Senior Network Engineer provides Tier‑3/Tier‑4 engineering expertise for the design, implementation, troubleshooting, and optimization of the HSEN WAN and HQ LAN‑A infrastructure, ensuring ≥99.5% availability for critical services. The role supports configuration management, change control, security patching, and incident response across routers, switches, firewalls, VPN/DMVPN/SD‑WAN, wireless, and cloud network components.

In addition, the engineer will design, build, and maintain a cloud infrastructure focused on network security that supports the organization’s technology and business needs. This involves architecting scalable, secure, and highly available cloud solutions and ensuring optimal performance and cost‑efficiency in AWS, Azure, and Google Cloud. The role requires close collaboration with other IT teams, stakeholders, and third‑party vendors.

• Engineer and implement upgrades to WAN/LAN per approved designs; validate in lab prior to production cut‑over.
• Perform advanced routing (OSPF, BGP, DMVPN, SD‑WAN), QoS, multicast, and segmentation.
• Integrate new security controls (NGFW, IDS/IPS, ZTNA) and support ATO evidence collection.

• Provide Tier‑3 escalation and Tier‑4 manufacturer liaison for Priority‑1/2 incidents.
• Execute vulnerability remediation and patch management per DHS severity windows.
• Coordinate change‑management reviews and post‑implementation validation.

• Develop and maintain device configurations, SOPs, and logical/physical diagrams in CMDB/Service Now.
• Generate weekly service‑request metrics, monthly availability, and root‑cause reports.
• Contribute to automation scripts (Ansible, Python) and network‑modernization prototypes.

• Operational Support
• Software Maintenance and Upgrades
• Telecommunications Maintenance (Data, Voice, Images, including Wireless)
• Infrastructure Management Services (IMS)
• Configuration Management
• Network/Hardware Support
• IT Support (Tier 3 network support)
• Resource Management
• Backup and Recovery Management
• Installation, Configuration, and Tuning
• Electronic Software Licensing Services
• Infrastructure System Management – Firewalls, etc.
• IT Operation and Maintenance Planning
• Data Quality Management
• Transformation Services
• Continual Service Improvement
• Balanced Scorecard for Operations
• IT Infrastructure Optimization

• Master’s degree in Information Technology, Network Engineering, or related field.
• 15+ years progressive network engineering in large enterprise WAN/LANs.
• Experience using SharePoint, JIRA, and Confluence for project management.
• 10+ years supporting DHS WAN/LAN environments.
• Experience with DHS cloud networking and automation (Infrastructure as Code).
• Experience leading network modernization projects for DHS.

• Required:
  
  Active CCIE (Enterprise Infrastructure or Security).
• Preferred:
  Cisco Dev Net Professional, Palo Alto PCNSE, Juniper JNCIP, ITILv4, or GIAC‑GCIH.

• U.S. Citizen with ability to obtain DHS Public Trust / Full‑Scope BI.

• Location:
  
  DHS HQ (NCR) with hybrid remote option; periodic travel.
• Schedule:
  
  Core hours 09:00–17:00 ET; on‑call rotation for after‑hours maintenance.
• Physical:
  Ability to rack/stack equipment up to 40 lbs.
• Work Environment:
  Hybrid remote with periodic in‑office presence.

Mid‑Senior level

Full‑time

Information Technology

IT Services and IT Consulting

Computer World Services is an affirmative action and equal employment opportunity employer. Current employees and/or qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, disability, protected veteran status, genetic information or any other characteristic protected by local, state, or federal laws, rules, or regulations.

Computer World Services is committed to the full inclusion of all qualified individuals. As part of this commitment,…