Senior Network Architecture Engineer

OSC Global

4d•Remote

About The Position

The Senior Network Architecture Engineer provides enterprise-level network architecture, design, and engineering support for government IT environments. This role is responsible for assessing current and future network architectures, documenting system interdependencies, designing scalable and secure infrastructures, and ensuring alignment with mission and business objectives. The individual serves as the technical authority for network modernization, resilience, availability, and performance while supporting enterprise architecture frameworks, roadmaps, and compliance requirements.

Requirements

Expert knowledge of:
Routing and switching (BGP, OSPF, EIGRP)
Network security architecture
Firewalls, IDS/IPS, VPNs
Load balancing
Software-defined networking (SDN)
Network virtualization
DNS/DHCP and InfoBlox
Proficiency with architecture tools (Visio, Draw.io, Lucid, or equivalent)
Strong analytical, documentation, and presentation skills
Ability to work independently in a mission-critical environment
Good interpersonal skills: ability to work effectively and cooperatively with all levels of management and staff, affiliated-company employees as well as outside business associates; exhibits a professional manner in dealing with others.
Superior organizational, follow-up, and detail-oriented skills.
Ability to maintain accurate records.
Work independently, as well as on a team and with minimal supervision.
Make decisions, solve problems, and exercise excellent judgment.
Ability to research, organize and analyze technical information with particular attention to accuracy and detail.
Excellent written and verbal communication skills; including thorough knowledge of proper grammar, advanced vocabulary, spelling, editing and proofreading skills.
Proficient using Microsoft Office products, such as Word, Excel and PowerPoint, and industry-standard computer software and databases.
High degree of sensitivity regarding confidential information.
Minimum of 10+ years of experience in enterprise network architecture and engineering.
Cisco CCNP
CompTIA Network+ / Security+
High School Diploma or equivalency.
Demonstrated experience designing and supporting large-scale government or enterprise networks.
Experience with:
On-premises, hybrid, and cloud networking
Multi-enclave and classified network environments
High-availability and disaster recovery design
Experience supporting RMF, STIG, and NIST compliance efforts
Strong experience producing technical diagrams and documentation
Active Secret Clearance or ability to obtain
Must be U.S. citizen.
Ability to pass a pre-employment background check

Nice To Haves

CISSP
AWS/Azure Networking Certifications
ITIL
Bachelor’s degree from an accredited university in Information Technology or related field.

Responsibilities

Lead enterprise network architecture planning, design, and sustainment activities
Perform quarterly architecture assessments and discovery of network, system, and application relationships
Analyze network dependencies and proactively identify risks to availability, performance, and security
Develop and maintain layered network architecture documentation including:
Conceptual diagrams
Logical network designs
Physical topology diagrams
Data and traffic flow maps
Design secure and scalable network infrastructures supporting on-premise, hybrid, and cloud environments
Architect WAN, LAN, MAN, and enclave-based networks across multiple security domains
Support network segmentation, zero-trust architectures, and boundary protection strategies
Design and maintain high-availability, failover, and disaster recovery network architectures
Evaluate emerging technologies and provide strategic recommendations
Support change management, engineering reviews, and technical governance boards
Collaborate with application, systems, cybersecurity, and operations teams
Provide technical input to modernization initiatives and technology roadmaps
Maintain documentation in alignment with PWS, RMF, and audit requirements
Support incident analysis, root cause investigations, and corrective action planning
Present architecture findings and recommendations to government stakeholders
Perform other duties as appropriate and as assigned.