Network Engineer

Markon

. Provide network engineering and communications modeling subject matter expertise in support of U.S.

Posted 9/15/2026full-timeHerndon • Virginia • United StatesSeniorLead💰 $180,000 - $200,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in network engineering, including the design and optimization of LAN, MAN, and WAN infrastructures, while ensuring compliance with INFOSEC and COMSEC requirements. Proficient in translating business needs into technical solutions and effectively communicating complex concepts to diverse audiences.

Highest-signal resume keywords

Network Design and OptimizationCisco Routing and SwitchingINFOSEC and COMSEC ComplianceActive TS/SCI ClearanceRouting Protocols (TCP/IP)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Network Architecture PlanningLAN/WAN ConfigurationTelecommunications DesignRF Transport Medium UnderstandingEncryption Standards KnowledgeVPN Configuration (IPsec, SSL)Routing Protocols (TCP/IP)Spectrum AnalyzersNetwork Intrusion DetectionCOTS/GOTS Solutions

Soft Skills

Excellent Oral CommunicationExcellent Written CommunicationTechnical Briefing Skills

Tools & Technologies

VMware ESX ServerMicrosoft Server AdministrationLAN/WAN Simulation EquipmentNetwork SniffersSpectrum Analyzers

Certifications & Qualifications

CCIE CertificationMCSE Certification

Industry Keywords

TelecommunicationsGovernment MissionsSecure Voice and Data NetworksPBX TelephonyISDNPOTSMicrowave CommunicationsFiber OpticsSatellite CommunicationsService-Oriented System Design

Tech Stack

Tools & technologies

FirewallsSwitchingTCP/IPTypeScriptVMware

About the role

Key responsibilities & impact

Provide network engineering and communications modeling subject matter expertise in support of U.S. Government missions
Translate business requirements into telecommunications requirements, designs, and orders for LAN, MAN, WAN, voice, and video capabilities
Develop complex network designs across enterprise environments
Incorporate INFOSEC and COMSEC requirements into network architectures and engineering solutions
Design and optimize network topologies and site configurations
Plan installations, transitions, and cutovers of network components
Organize and direct network installations and site surveys
Assess and document existing site network configurations and user requirements
Evaluate emerging network technologies and recommend integration into existing infrastructure
Develop network designs and configurations for performance and optimal network operation
Support development and deployment of communications systems
Research technologies and apply COTS/GOTS solutions for secure voice and data networks
Evaluate and recommend interoperable, portable, and scalable IT solutions
Integrate communications system designs with network architectures
Provide post-design installation, configuration, and Tier III/IV operations and maintenance support
Configure, test, and maintain LAN, WAN, and system-level network infrastructure
Create simulated network environments to test applications over low-bandwidth links
Troubleshoot network connectivity and performance issues
Install and configure RF-based wide-area communications links, including satellite, cellular, and microwave
Brief technical and non-technical audiences, including senior government personnel
Travel up to 10% CONUS and 10% OCONUS as mission needs require

Requirements

What you’ll need

Active TS/SCI with Full Scope Polygraph required
Bachelor’s degree or higher in Electrical Engineering or a related field, or equivalent experience substituted for the educational requirement
9+ years of relevant experience
Knowledge of Cisco routing and switching and network architecture planning
Knowledge of remote administration and secure VPN, including IPsec and SSL
Understanding of commercial encryption standards and their application within IP networking
Understanding of PBX telephony, including Avaya/Nortel telephone switch interfaces
Understanding of RF transport mediums, including cellular, microwave, and satellite communications
Understanding of wired data transport mediums, including Category 5e/6 and fiber optics
Ability to design small- to medium-scale voice, video, and data networks
Familiarity and experience with encryption devices and commercial encryption methods
Knowledge of WAN technologies, including ISDN, POTS, satellite voice and data circuits, and terminal device configuration
Understanding and experience applying HF, VHF, UHF, microwave, and VSAT systems
Thorough understanding and experience applying routing protocols, particularly TCP/IP
Experience configuring routers, switches, and firewalls
Familiarity with GSM, CDMA, 802.11, and 802.16
Experience with spectrum analyzers, network sniffers, LAN/WAN simulation equipment, and COTS software
Knowledge of network intrusion detection
Ability to convey technical designs, ideas, and results to non-technical audiences and brief senior government personnel
Excellent oral and written communication skills
CCIE certification desired
MCSE certification desired
Knowledge of Microsoft Server administration desired
Knowledge of service-oriented system design desired
Knowledge of VMware ESX Server and virtual system architecture desired
Knowledge of SAN technologies desired

Benefits

Comp & perks

Medical insurance
Dental insurance
Vision insurance
Life insurance
Short-Term Disability
Long-Term Disability
401(k) match
Flexible Spending Accounts
EAP
Training and Tuition Assistance
Paid Time Off
Holidays
Professional growth opportunities
Travel to hazard areas as required