Cleared Network Engineer (Cisco ACI) - TS/SCI w/ Poly
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Before you apply
LocationMcLean, Virginia, United States
Work modeon-site
Typefull-time
SenioritySenior
Experience10+ yrs
DepartmentGovernment
Company size51–200 people
PostedOct 13, 2026 · 3w ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Bachelor's Degree in Computer Science or a related technical discipline, or equivalent combination of education, technical training, or work/military experience
Minimum ten (10) years of relevant experience with architecting and designing IP networks
In-depth understanding of networking including routing, switching, network monitoring and management
Strong troubleshooting skills specific to network connectivity and security
Expert for SDN engagements built around Cisco ACI
Background in Cisco ACI design, planning, implementation, and testing based on multi data center configurations
Good team and collaboration skills
Ability to research and find new and innovative technologies to enhance the existing network
Define network strategy with respect to technology domain standards and design goals
Provide technical design and architectural leadership including documenting and diagramming logical, physical and process views
Experience analyzing network traffic using various network tools to assess security-related events
Experience in designing, configuring, implementing, and troubleshooting various network technologies and protocols
Experience designing, deploying, and maintaining boundary security solutions and exposure to enterprise network architecture
Good knowledge and hands-on experience with VXLAN/EVPN
Active TS/SCI w/ FS Poly clearance required
Experience with Network Access Control and Segmentation
Experience with security compliance standards
Experience with site-to-site VPNs and/or remote access VPNs
Network programmability for automating network tasks (Ansible, Puppet, Chef, Python, Rest API's)
Experience with Data Center and co-location solutions as they relate to SDN architecture and design
NextGen Firewall Experience
Experience configuring/administrating various network technologies including Cisco ACI, Cisco DCNM, OTV, VMware NSX
Demonstrated experience designing and implementing network reference architecture from mission requirements gathering to technology rollout oversight
Familiarity with Software defined networking (SDN) Network Disaggregation technologies and methodologies along with open-source solutions
Ability to brief complex information to senior leadership
Drive enhancements through full life cycle from concept to final implementation and support
Skills
Cisco ACI
VXLAN/EVPN
SDN
Ansible
Puppet
Chef
Python
Rest API
Cisco DCNM
OTV
VMware NSX
NextGen Firewall
VPN
Benefits
Health insurance
Dental insurance
Vision insurance
Paid time off
Paid holidays
Retirement plan
Tuition reimbursement
Bonus
Professional development
* This role supports the mission critical group CTMC and is at the “pointy end of the spear”!
* Location and work schedule flexibility offered as well! (multiple offices, early in/early out, late in/late out, 4/10s, and more)
The Network Engineer will be responsible to design, implement, and maintain complex network infrastructures. This
role requires deep technical expertise in networking technologies, including routing, switching, and network security
controls. The ideal candidate is a technical practitioner, not just an advisor – someone who can design, implement,
and troubleshoot complex network architectures and familiar with the customer’s enterprise networks to include
Local Area Network (LAN) and Wide Area Network (WAN), and routing protocols. The ideal candidate must have the
professional connection to the customer’s enterprise networks (DDI/ITE/GIO) and familiar with the Cisco ACI
technology.
Requirements
QUALIFICATIONS
Bachelor’s Degree in Computer Science or a related technical discipline, or the equivalent combination of
education, technical training, or work/military experience
Minimum ten (10) years of relevant experience (additional experience may be substituted for a degree) with
architecting and designing IP networks and associated technologies
REQUIRED KNOWLEDGE/SKILLS
In-depth understanding of networking to include routing, switching, network monitoring and management
Strong troubleshooting skills specific to network connectivity, security, and ability to effectively work in cross
functional teams as needed to resolve issues
Expert for SDN engagements built around Cisco ACI
Background in Cisco ACI design, planning, implementation, and testing, based on a multi data center
configurations
Good team and collaboration skills
Ability to research and find new and innovative technologies to enhance the existing network
Define network strategy with respect to technology domain standards and design goals
Provide technical design and architectural leadership, including documenting and diagramming the logical,
physical and process views
Experience analyzing network traffic, using a variety of network tools to assess security-related events to assist
in rapid identification and isolation of issues during incidents and outages
Experience in designing, configuring, implementing, and troubleshooting these various network technologies
and protocols
Experience designing, deploying, and maintaining boundary security solutions and exposure to enterprise
network architecture
Good knowledge and hands-on experience with VXLAN/EVPN
Nice to have
DESIRED KNOWLEDGE/SKILLS
Experience with Network Access Control and Segmentation
Experience with security compliance standards
Experience with site-to-site VPNs and/or remote access VPNs
Network programmability for automating network tasks (Ansible, Puppet, Chef, Python, Rest API’s)
Experience with Data Center and co-location solutions as they relate to SDN architecture and Design
NextGen Firewall Experience
Experience configuring/administrating various network technologies including Cisco ACI, Cisco DCNM, OTV,
VMware NSX
Demonstrated experience designing and implementing network reference architecture from mission
requirements gathering to technology rollout oversight, including capacity management, technology selection,
integration of multiple tools and technical documentation
Familiarity with Software defined networking (SDN) Network Disaggregation technologies and methodologies
along with open-source solutions
Ability to brief complex information to senior leadership
Familiarity with Software defined networking (SDN) Network Disaggregation technologies and methodologies
along with open-source solutions
Drive enhancements through full life cycle from concept to final implementation and support
Responsibilities
KEY RESPONSIBILITIES
Installation and maintenance of network equipment
Troubleshooting and resolution of network issues
Design network architectures based on customer requirements and industry best practices
Development of unique solutions that will meet customer requirements and industry best practices
Collaborate effectively with other IT disciplines (e.g., Storage, Platform, Application) to troubleshoot and
resolve complex problems
Develop and maintain configurations plans for Cisco ACI design, planning, implementation, and testing, based
on a multi data center configurations
Create architectural design solutions and successfully present them to client stakeholders
Work with infrastructure engineers to identify new products and solutions
Document maintenance for all computer systems and network infrastructure
Maintain systems and documentation as needed for audits and compliance
Communications with customers: keeping them informed of incident progress, notifying of impending
changes, or coordinated outages
Be available for other engineers and coach them to resolution
Participate in 24x7 on call and assist in resolving issues outside normal business hoursissues outside normal business hours
Requirements
*Active TS/SCI w/ FS Poly required*
QUALIFICATIONS
Bachelor’s Degree in Computer Science or a related technical discipline, or the equivalent combination of
education, technical training, or work/military experience
Minimum ten (10) years of relevant experience (additional experience may be substituted for a degree) with
architecting and designing IP networks and associated technologies
REQUIRED KNOWLEDGE/SKILLS
In-depth understanding of networking to include routing, switching, network monitoring and management
Strong troubleshooting skills specific to network connectivity, security, and ability to effectively work in cross
functional teams as needed to resolve issues
Expert for SDN engagements built around Cisco ACI
Background in Cisco ACI design, planning, implementation, and testing, based on a multi data center
configurations
Good team and collaboration skills
Ability to research and find new and innovative technologies to enhance the existing network
Define network strategy with respect to technology domain standards and design goals
Provide technical design and architectural leadership, including documenting and diagramming the logical,
physical and process views
Experience analyzing network traffic, using a variety of network tools to assess security-related events to assist
in rapid identification and isolation of issues during incidents and outages
Experience in designing, configuring, implementing, and troubleshooting these various network technologies
and protocols
Experience designing, deploying, and maintaining boundary security solutions and exposure to enterprise
network architecture
Good knowledge and hands-on experience with VXLAN/EVPN
DESIRED KNOWLEDGE/SKILLS
Experience with Network Access Control and Segmentation
Experience with security compliance standards
Experience with site-to-site VPNs and/or remote access VPNs
Network programmability for automating network tasks (Ansible, Puppet, Chef, Python, Rest API’s)
Experience with Data Center and co-location solutions as they relate to SDN architecture and Design
NextGen Firewall Experience
Experience configuring/administrating various network technologies including Cisco ACI, Cisco DCNM, OTV,
VMware NSX
Demonstrated experience designing and implementing network reference architecture from mission
requirements gathering to technology rollout oversight, including capacity management, technology selection,
integration of multiple tools and technical documentation
Familiarity with Software defined networking (SDN) Network Disaggregation technologies and methodologies
along with open-source solutions
Ability to brief complex information to senior leadership
Familiarity with Software defined networking (SDN) Network Disaggregation technologies and methodologies
along with open-source solutions
Drive enhancements through full life cycle from concept to final implementation and support
KEY RESPONSIBILITIES
Installation and maintenance of network equipment
Troubleshooting and resolution of network issues
Design network architectures based on customer requirements and industry best practices
Development of unique solutions that will meet customer requirements and industry best practices
Collaborate effectively with other IT disciplines (e.g., Storage, Platform, Application) to troubleshoot and
resolve complex problems
Develop and maintain configurations plans for Cisco ACI design, planning, implementation, and testing, based
on a multi data center configurations
Create architectural design solutions and successfully present them to client stakeholders
Work with infrastructure engineers to identify new products and solutions
Document maintenance for all computer systems and network infrastructure
Maintain systems and documentation as needed for audits and compliance
Communications with customers: keeping them informed of incident progress, notifying of impending
changes, or coordinated outages
Be available for other engineers and coach them to resolution
Participate in 24x7 on call and assist in resolving issues outside normal business hours issues outside normal business hours
Benefits
Leading Path is an award-winning Information Technology and Management Consulting firm focused on providing solutions in process, technology, and operations to our government and Fortune 500 clients. We offer a professional and family friendly work environment with a strong work-life balance. Leading Path provides a comprehensive and competitive benefits package including fully paid medical/dental/vision premiums, generous PTO, 11 Paid Holidays, 6% 401K contribution, annual training and tuition reimbursement, SPOT Award bonuses, regular team events, opportunities for professional growth and advancement and much more!
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