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Sr Network Infrastructure Engineer Jobs in Washington

ECS

Senior Network Engineer

Fairfax, VA · On-site +1

$120K - $160K/yr

ECS is seeking a Senior Network Engineer to work remot ely. ECS is seeking a highly skilled Network ... Design, implement, and maintain network infrastructure across ECS corporate offices and data ...

ECS Tech Inc

Senior Network Engineer

Fairfax, VA · Hybrid

$120K - $160K/yr

ECS is seeking a Senior Network Engineer to work remot ely. ECS is seeking a highly skilled Network ... Design, implement, and maintain network infrastructure across ECS corporate offices and data ...

Peraton

Senior Network Engineer

Washington, DC · On-site

$112K - $179K/yr

Peraton provides the O&M of the network infrastructure and its components. We provide integration ... As a Senior Network Engineer, you will provide expert-level technical assistance for complex and ...

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Sr Network Infrastructure Engineer information

What is the difference between Sr Network Infrastructure Engineer vs Network Engineer?

AspectSr Network Infrastructure EngineerNetwork Engineer
CertificationsCCNA, CCNP, Cisco certificationsCCNA, CompTIA Network+
Work EnvironmentData centers, enterprise networks, large-scale infrastructureSmall to medium business networks, office environments
ResponsibilitiesDesign, implement, and maintain complex network infrastructureConfigure and troubleshoot network devices and connections

The main difference is that Sr Network Infrastructure Engineers focus on large-scale, complex network systems and often hold advanced certifications, while Network Engineers typically handle day-to-day network setup and troubleshooting in smaller environments. Both roles require strong networking skills but differ in scope and complexity.

What does a Sr Network Infrastructure Engineer do?

A Sr Network Infrastructure Engineer is responsible for designing, implementing, and maintaining complex computer networks within an organization. This role involves ensuring network security, optimizing performance, and troubleshooting issues to support business operations. They often work with routers, switches, firewalls, and other network hardware, as well as collaborate with IT teams to support projects and upgrades. Senior engineers also play a key role in planning network growth and integrating new technologies.

What are some typical challenges a Sr Network Infrastructure Engineer faces when managing large-scale network deployments?

Sr Network Infrastructure Engineers often encounter challenges such as ensuring network scalability, minimizing downtime during upgrades, and integrating new technologies with legacy systems. They must also address security vulnerabilities and maintain high performance across complex, multi-site environments. Effective communication and collaboration with cross-functional teams, such as security and cloud operations, are essential to successfully navigate these challenges and maintain robust network infrastructure.

What are the key skills and qualifications needed to thrive as a Sr Network Infrastructure Engineer?

To thrive as a Sr Network Infrastructure Engineer, you need deep expertise in network architecture, routing and switching, and a strong understanding of security protocols, typically supported by a bachelor's degree in a related field and relevant certifications like CCNP or CCIE. Proficiency in configuring and maintaining network hardware (e.g., Cisco, Juniper), network monitoring tools, and automation platforms is essential. Exceptional problem-solving, communication, and project management skills help you lead initiatives and collaborate across departments. These skills and qualities are vital for ensuring reliable, secure, and scalable network operations in complex enterprise environments.
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What job categories do people searching Sr Network Infrastructure Engineer jobs in Washington look for? The top searched job categories for Sr Network Infrastructure Engineer jobs in Washington are:
Sr Network Infrastructure Engineer jobs near you
Infographic showing various Sr Network Infrastructure Engineer job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 11% Part Time, and 8% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution.

Senior Network Engineer

Tactibit Technologies LLC

Suitland, MD • On-site

$112K - $153K/yr

Full-time

Re-posted 8 days ago

Job description

Tactibit Technologies provides innovative information technology, cybersecurity, and cloud support services to the Federal Government. We support some of the nation's most critical and demanding projects including satellite operations, critical infrastructure, and search and rescue. We are a diverse team of hands-on professionals dedicated to solving problems and developing innovative solutions in support of our customers' critical missions. Our success is dependent on our inclusive, collaborative environment with a shared commitment to excellence in everything we do.

About the Senior Network Engineer position

We are looking for a talented network engineer to join our team in Suitland, MD. You will provide senior network engineering support for NOAA's satellite operations missions. You will support mission operations, routine maintenance, troubleshooting and anomaly detection/resolution, refresh and modernization planning, network integrations, and security hardening. As a Senior Network Engineer, you will be expected to plan and lead projects, manage resources, report to our government customer, develop standard operating procedures, and help train a team of network engineers.

We expect you to have a passion for building and maintaining highly available networks. You should have a desire to work with satellite data and products for the public and government. Besides, you should be able to perform well working in a team, along with developers, engineers and scientists.

This position is located at a government facility in Suitland, MD. The position is eligible for a flexible work arrangement.

Senior Network Engineer responsibilities are:
  • Operate and maintain network infrastructure
  • Identify, design, plan, and implement network upgrades and configuration changes to support architectural improvements, address new requirements, and updates to address security vulnerabilities and obsolescence
  • Detect, analyze, troubleshoot, and resolve operational problems within the LAN/WAN infrastructure
  • Monitor and report on device health, utilization, uptime, usage, security issues, and anomalies
  • Develop and lead technical training for other network staff
  • Create and maintain documents including Standard Operating Procedures
  • Develop and refine network topology diagrams
  • Provide on-call and after-hours support when required
  • Support security testing, hardening, and assessments to meet strict compliance and operational security requirements
Senior Network Engineer requirements are:
  • 10+ years of network administration or engineering experience
  • Experience with designing and maintaining highly available networks including fault-tolerance, redundancy, failover, and continuity of operations
  • Detailed experience configuring and maintaining next-generation firewalls (NGFW), security zones, and defense-in-depth
  • Knowledge of routing protocols including OSPF and BGP
  • Ability to configure, optimize, and troubleshoot network protocols including VRRP (or HSRP), STP, LACP, MLAG (or vPC), Dot1q, and others
  • Experience with enterprise-grade network equipment including modular chassis switches, 40 or 100 Gb interfaces, and redundant supervisors and route processors
  • Familiarity with cabling standards such as TIA/EIA, ISO/IEC, IEEE, and others
  • Experience with issue tracking and configuration management systems and processes
  • Understanding of security best practices
  • Strong problem solving skills and ability to work under pressure
  • BS degree in Engineering, Computer Science, or other related area
  • Must be a US Citizen or Lawful Permanent Resident and able to pass a full background investigation to obtain a security badge to enter the applicable government facility
Desired Qualifications are:
  • Experience with Federal government environments and concepts including NIST Risk Management Framework, NIST SP 800-53 security controls, and DISA Security Technical Implementation Guides (STIGs)
  • Experience with a variety of network solution vendors including Cisco, Fortinet, Juniper, and others
  • Experience with Solarwinds Orion and similar network monitoring tools
  • Industry certifications such as Cisco certifications, Network+, Security+, and others