Senior Network Infrastructure Engineer in Leesburg

Energy Jobline ZR

Leesburg (VA)

On-site

USD 155,000 - 175,000

Full time

13 days ago
Application generator

Stand out for this role — generate a tailored resume and cover letter in about a minute.

Get past ATS filters

Benefits offered by this job

6% 401(k) match
Educational assistance
Insurance premium subsidy
Anthem medical
Guardian dental
Life insurance
3 weeks vacation
2 weeks sick leave
11 holidays

Job summary

Quantum Leap Research is seeking a Senior Network/Infrastructure Engineer to lead design, deployment, and lifecycle management of complex on-premise environments. You will guide multi-vendor networking, Linux-based routing, and infrastructure automation using Ansible.

The role emphasizes ownership of end-to-end projects, SDN-focused architectures, and integration with OpenSearch/Elastic stack in a fast-growing US government-focused tech environment.

Qualifications

  • Extensive on-prem/datacenter network engineering experience
  • Hands-on with Cisco, Arista, VyOS routing
  • Strong Linux systems administration
  • Experience with Ansible-based automation
  • Familiar with OpenSearch/Elastic stack
  • Multi-vendor infrastructure design and deployment
  • Proxmox or virtualization experience
  • Networking integrated with applications and systems

Responsibilities

  • Design and implement datacenter and site network architectures (on-prem, SDN-focused)
  • Configure and manage Cisco, Arista, VyOS networking equipment
  • Build and maintain routing environments including Linux-based routing
  • Deploy SDN, WAN/SD-WAN, BGP, MPLS, and VPN configurations
  • Automate infrastructure using Ansible and related tools
  • Maintain OpenSearch/Elastic stack and monitoring systems
  • Create and maintain network documentation with NetBox
  • Own projects end-to-end from scoping to delivery
  • Support patching, upgrades, and lifecycle management

Skills

Network engineering
Linux administration
Ansible automation
OpenSearch/Elastic
SDN
BGP
MPLS
Firewall configuration
Multi-vendor environments

Tools

Proxmox
VyOS
Cisco
Arista
OpenSearch
AWX
NetBox
Ansible Tower

Job description

Job DescriptionJob Description

Quantum Leap is the leading technology services company focused on providing operationally focused solutions for select clientele within the United States Government (USG). Quantum Leap was founded by a team of technologists and engineers to focus exclusively on advancing USG interests against the Nation’s threats in an of Strategic (Great Power) Competition.

We have built a highly collaborative workforce dedicated to countering those threats in an environment designed for success. This an entrepreneurial, fast-growing company, where the right candidate can join and really make a difference.

Quantum Leap Research is seeking a Senior Network / Infrastructure Engineerto lead the design, deployment, and lifecycle management of complex, on-premise infrastructure environments. This role blends deep networking expertise with systems engineering and automation.

You will serve as a technical leader responsible for building and maintaining multi-vendor network environments, while driving infrastructure automation and integration across systems.

Responsibilities:
  • Design and implement datacenter and site network architectures(on-prem, SDN-focused)
  • Configure and manage networking equipment: Cisco, Arista, VyOS, and other platforms
  • Build and maintain routing environments, including Linux-based routing
  • Design and support SDN, WAN/SD-WAN, BGP, MPLS, and VPN configurations
  • Deploy infrastructure into remote datacenters, including documentation and validation
  • Administer Linux systems supporting infrastructure and network services
  • Implement and manage firewalls(pfSense, VyOS, ACLs, Linux firewalls)
  • Lead infrastructure automation initiativesusing Ansible and configuration management tools
  • Manage and integrate tools such as OpenSearch/Elasticand monitoring/logging systems
  • Maintain up-to-date network documentation and diagrams(NetBox or similar)
  • Own projects end-to-end:
    • Define scope
    • Break down work
    • Estimate timelines
    • Deliver outcomes
  • Support ongoing operations:
    • Patching, upgrades, and lifecycle management
    • Monitoring, troubleshooting, and optimization
    • System validation and documentation
Qualifications:

Required

  • Deep experience in network engineering within on-prem/datacenter environments
  • Strong expertise with:
    • Cisco, Arista, VyOS
    • Routing protocols (BGP required; MPLS )
    • SDN and Linux-based routing
  • Strong Linux systems administration skills
  • Experience with infrastructure automation(Ansible strongly )
  • Experience with configuration management and system integration
  • Hands-on experience with firewalls and network security controls
  • Proven ability to:
    • Design and deploy complex infrastructure
    • Work across multi-vendor environments
    • Own projects independently
  • Experience with:
    • Proxmox or virtualization platforms
    • OpenSearch / Elastic stack
    • PacketFence, Fluentd, Oxidized
    • AWX (Ansible Tower)
  • Exposure to non-cloud / locally hosted infrastructure environments
  • Experience integrating networking with systems and application layers
Compensation and Benefits:

We seek the best-and-brightest professionals at all levels so offer highly competitive compensation and an excellent benefits package.

Salary Range: $155,000 - $175,000. Salary ranges reflect compensation for qualified candidates across a range of experience levels and are flexible; actual salary will be determined based on demonstrated skills, experience, and performance.

Company-sponsored benefits include:
  • 6% 401(k) company match with immediate vesting
  • educational assistance up to $7,000 per year
  • 100% insurance premium subsidy for employees (75% for dependents)
  • Anthem medical
  • Guardian dental
  • life and coverage
  • 3 weeks’ vacation
  • 2 weeks sick leave
  • 11 holidays
Quantum Leap is an Equal Opportunity Employer
www.ql-research.com

Company Description

Quantum Leap is the leading technology services company focused on providing operationally focused solutions for select clientele within the United States Government (USG). Quantum Leap was founded by a team of technologists and engineers to focus exclusively on advancing USG interests against the Nation’s threats in an of Strategic (Great Power) Competition.

We have built a highly collaborative workforce dedicated to countering those threats in an environment designed for success. This an entrepreneurial, fast-growing company, where the right candidate can join and really make a difference.

Company DescriptionQuantum Leap is the leading technology services company focused on providing operationally focused solutions for select clientele within the United States Government (USG). Quantum Leap was founded by a team of technologists and engineers to focus exclusively on advancing USG interests against the Nation’s threats in an of Strategic (Great Power) Competition.

We have built a highly collaborative workforce dedicated to countering those threats in an environment designed for success. This an entrepreneurial, fast-growing company, where the right candidate can join and really make a difference.

Get your free, confidential resume review.
or drag and drop your file here.
Similar jobs

Similar jobs worth comparing

IT Network Engineer II - 936
IT Network Engineer II - 936

Quantinuum • Broomfield (CO)

On-site
USD 86,000 - 108,000
Flexible work schedule
Employer subsidized health, dental, &
401(k) match
+4
Senior Network Engineer - Washington DC
Senior Network Engineer - Washington DC

VetJobs • Washington

On-site
USD 90,000 - 110,000
Senior Network Engineer
Senior Network Engineer

Xpect Solutions • Quantico (VA)

On-site
USD 110,000 - 160,000
Medical, Dental, Vision
Retirement Plan
Life Insurance
+7
Senior Network Engineer
Senior Network Engineer

Quantum Sky • Washington

On-site
USD 145,000 - 165,000
Health/Dental/Vision
401(k) match
Paid Time Off
+4
Senior Network Engineer
Senior Network Engineer

Via Logic LLC • Lorton (VA)

On-site
USD 108,000 - 195,000
Infrastructure Engineer (Systems and DevOps)
Infrastructure Engineer (Systems and DevOps)

Quantinuum • Centennial (CO)

On-site
USD 115,000 - 145,000
Network Specialist
Network Specialist

Quantum Sky • Fort Thomas (KY)

On-site
USD 80,000 - 85,000
Health/Dental/Vision
401(k) match
Paid Time Off
+4
Network Specialist
Network Specialist

Tyto Athene • Hinesville (GA)

On-site
USD 80,000 - 85,000
Health/Dental/Vision
401(k) match
Paid Time Off
+4
Senior Network Engineer
Senior Network Engineer

Leidos Inc • Chantilly (VA)

On-site
USD 131,000 - 238,000
Network Specialist
Network Specialist

Quantum Sky • Hinesville (GA)

On-site
USD 80,000 - 85,000
Health/Dental/Vision
401(k) match
Paid Time Off
+4