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Network Architect / Network Engineer

Clearance JobsChantilly, VA, US

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Network Architect / Network Engineer

FTS International, LLC (FTS) is committed to providing the Federal Government with quality consultants and support. To ensure mission success we focus on putting our customers first while minimizing corporate bureaucracy on our staff. We provide Subject Matter Experts (SME) free of Organizational Conflicts of Interest (OCI) focused on independent analysis and mission support services within the disciplines of Engineering, Counter Terrorism Operations, Management, Information Technology, Signals Analysis, Administration, Cyber Security and Linguistics. FTS has an opportunity for a Network Architect / Network Engineer in Chantilly, VA. The Network Architect / Network Engineer will provide Systems Engineering Technical Assistance (SETA) support to a government acquisition office for space and ground acquisitions. This role will focus on providing expert advice, technical evaluations, technical assessments and alternative approaches to adaptive network solutions that can automatically reconfigure in response to changing conditions, ensuring optimal performance, security, and reliability.

Responsibilities

Deep knowledge of enterprise protocols, open frameworks, and industry standards to create interoperable, future-proof network solutions, combined with strong systems engineering capabilities to ensure comprehensive solution development from requirements through implementation and validation
Ensure network architectures are compatible with multiple systems and that all interfaces are comprehensively documented to enable seamless integration
Assess proposed architectures and implementations of advanced software-defined network (SDN) solutions that support dynamic mesh topologies with multi-system compatibility
Provide expert advice, technical evaluations and alternative approaches for network architectures, network models and adaptive network solutions under consideration
Apply systems engineering methodologies to network architecture development, including requirements elicitation, functional decomposition, and trade-off analysis
Develop comprehensive network requirements through stakeholder engagement and translate requirements into technical specifications
Conduct rigorous analysis of alternatives for network solutions, evaluating technical feasibility, cost-effectiveness, performance modeling / analysis and alignment with strategic objectives
Advise, evaluate, assess and develop alternatives for :

Network automation frameworks that enable real-time topology adjustments based on traffic patterns, application demands, and system health

Network management solutions that provide comprehensive visibility and control into dynamic mesh environments

Network orchestration systems that optimize routing, load balancing, and resource allocation across distributed environments

Network security controls that maintain effectiveness across changing topologies

Develop test plans and acceptance criteria for network implementations to verify and validate methodologies for network designs

Create and maintain comprehensive interface control documents (ICDs) that precisely define all network interfaces, protocols, and data formats

Develop detailed network architecture documentation including topology diagrams, data flow models, and sequence diagrams

Collaborate with cross-functional teams to ensure network designs support application requirements in fluid environments

Lead proof-of-concept initiatives for emerging network technologies and evaluate their potential for enterprise adoption

Document network architectures, automation workflows, and operational procedures for complex mesh deployments

Create and deliver technical presentations to leadership and stakeholders on network architecture decisions, roadmaps, and vendor selection

Participate in system design reviews, identify system risks and opportunities, and advise on mitigation strategies

Required Skills / Qualifications

TS / SCI with polygraph

BS degree in Computer Engineering, Computer Science, Network Engineering, Electrical Engineering with a focus on Networking or a related field

10+ years' relevant experience

Experience with :

Network Architecture design and Network Management techniques including Software defined networking

Optimizing network data flows

Modems

Mobile network standards and Network Routing Plans

Enterprise networking

Wireless 5G network design and data flow optimization

Demonstrated expertise in designing and implementing dynamic mesh network architectures

Strong knowledge of SDN controllers and frameworks

Deep understanding of routing protocols and their behavior in dynamic environments

Experience with network analytics platforms and telemetry systems for real-time monitoring

Experience designing networks that interface with multiple heterogeneous systems

Desired Skills / Qualifications

MS degree in Computer Engineering, Computer Science, Network Engineering, Electrical Engineering with a focus on Networking or a related field

Experience in telecommunications environments such as :

Mobile network infrastructure (4G / 5G, RAN, Core Network)

Large-scale enterprise network operations (10,000+ endpoints)

Mission-critical command and control systems

Tactical communications networks

Background in designing networks for high-availability (HA) environments (99.999% uptime)

Experience with AI / ML-driven network optimization and predictive analytics

Knowledge of graph theory as applied to network topology optimization

Background in large-scale network transformations from traditional to SDN architectures

Experience with multi-cloud networking and hybrid cloud connectivity solutions

Experience with model-based systems engineering (MBSE)

Experience with satellite communications integration with terrestrial networks

Experience with cross-domain solutions and multi-level security environments

FTS International, LLC is an Equal Opportunity Employer - vets / disabled.

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Network Engineer • Chantilly, VA, US