Network Infrastructure Architect

Computer World Services
Springfield, United States of America
15 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
$ 235K

Job location

Remote
Springfield, United States of America

Tech stack

Amazon Web Services (AWS)
Azure
Cloud Computing
Configuration Management Databases
Computer Networks
IPv6
Multi-protocol Systems
Python
Local Area Networks
Network Security
Network Architecture
Network Segmentation
Cloud Services
Ansible
Zero Trust Network Access
Terminal Access Controller Access-Control System (TACACS)
Wide Area Networks
Google Cloud Platform
Cloud Platform System
Juniper
Togaf
Information Technology
Routing & Switching

Job description

The Network Infrastructure Architect provides enterprise-level architecture, design, and technology-strategy leadership to evolve the Homeland Security Enterprise Network (HSEN) and HQ LAN-A toward a scalable, interoperable, zero-trust framework. The role shapes a three-year technology roadmap, conducts proof-of-concepts, and ensures all solutions meet DHS enterprise architecture standards, security accreditation (FISMA/NIST800-53), and 99.95% availability objectives.

The objective of the support services for this project is to design, build, and maintain a cloud infrastructure with a focus on network security that supports the organization's technology and business needs. This involves architecting scalable, secure, and highly available cloud solutions, ensuring optimal performance and cost-efficiency in cloud environments such as AWS, Azure, and Google Cloud. The role requires close collaboration with other IT teams, stakeholders, and third-party vendors to deliver cloud-based infrastructure and services that align with organizational goals.

Key Tasks & Responsibilities

  • Architecture & Design

-Develop HSEN/LAN-A reference architectures covering WAN/MPLS/SD-WAN, campus LAN, wireless, TACACS/ISE, firewalls, and cloud on-ramps.

-Produce system design documents, diagrams, IP schemas, and maintain CMDB accuracy.

-Model traffic, capacity, and failover scenarios; conduct gap analysis.

  • Technology Strategy & Road-mapping

-Lead evaluations of emerging technologies and vendor offerings; perform COTS/OSS trade studies.

-Deliver executive briefings and a rolling three-year technology roadmap aligned with DHS mission and budget cycles.

  • Security & Compliance

-Embed zero-trust, micro-segmentation, and IPv6 compliance into all designs.

-Support ATO renewals by providing architecture artifacts and POA&M responses.

  • Implementation & Transition Support

-Develop test plans, oversee lab validation, and provide Tier-4 escalation during deployment.

-Generate transition documentation for NOSC operations teams and deliver knowledge-transfer workshops.

  • This Role Provides Task Support for:

-Infrastructure Engineering, Development, Implementation, Integration

Requirements

  • Minimum Qualifications (must have):

-Master's degree in Computer Science, Electrical Engineering, or related discipline.

-15+years architecting enterprise WAN/LAN solutions with 5,500 sites and 250,000 users.

  • Preferred Qualifications:

-10+years direct support to DHS-wide networks.

-Hands-on experience with SD-WAN, cloud connectivity, and automation (Ansible/Python).

Certifications

  • Must have an active CCIE (Routing & Switching / Enterprise Infrastructure / Service Provider) certification.

  • Preferred certifications include: AWS Certified Advanced Networking, Juniper JNCIE, TOGAF, or GIAC-GSEC.

Security Clearance

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

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