Senior Network Security Engineer

Odyssey

. Lead the design, implementation, and governance of secure enterprise network infrastructures .

Posted 10/8/2026full-timeRemote • Massachusetts • United StatesSenior💰 $160,000 - $165,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and implementing secure enterprise network infrastructures, ensuring compliance with CMMC Level 2 and NIST SP 800-171 standards. Proficient in managing firewalls, VPNs, IDS/IPS, and incident response while leading complex, compliance-driven initiatives.

Highest-signal resume keywords

CMMC Level 2 ComplianceNIST SP 800-171 StandardsNetwork Infrastructure DesignFirewall and VPN ManagementIncident Response Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Network Infrastructure DesignFirewall ManagementVPN ConfigurationIDS/IPS ImplementationMicro SegmentationEncryption ControlsVLAN SegmentationZero-Trust ArchitectureNetwork MonitoringThreat Identification

Soft Skills

LeadershipMentoringCommunicationProblem-Solving

Tools & Technologies

Secure Cloud ConnectivityHybrid ArchitecturesWi-Fi Architecture Design

Certifications & Qualifications

CCNPGIACCEHCMMC

Industry Keywords

Enterprise Network InfrastructureCMMC Level 2NIST SP 800-171Compliance-Driven InitiativesZero-Day Exploits

Tech Stack

Tools & technologies

CloudFirewalls

About the role

Key responsibilities & impact

Lead the design, implementation, and governance of secure enterprise network infrastructures
Architect, implement, and maintain network infrastructures aligned with enterprise and CMMC Level 2 requirements
Design and manage firewalls, VPNs, IDS/IPS, micro segmentation, and encryption controls
Re-architect network infrastructure for scalability and growth
Ensure VLAN segmentation and zero-trust alignment
Monitor network health daily and detect zero-day exploits
Monitor network traffic, identify threats, and lead incident response
Develop and enforce security standards aligned with NIST SP 800-171 and CMMC
Support secure cloud connectivity and hybrid architectures
Lead upgrades and design Wi-Fi architectures
Support office buildouts
Evaluate new technologies and lead implementation efforts
Travel occasionally to offices across the US for project-related work

Requirements

What you’ll need

Must be a US citizen
Bachelor's Degree
10+ years of experience
Ability to obtain a clearance
Relevant enterprise network and firewall technology certifications
Preferred: Secret clearance
Preferred certifications: CCNP, GIAC, CEH, or CMMC
Experience with secure enterprise network infrastructure across on-premises, cloud, and hybrid environments
Experience with CMMC Level 2 and NIST SP 800-171 requirements
Experience with firewalls, VPNs, IDS/IPS, micro segmentation, and encryption controls
Experience with VLAN segmentation and zero-trust alignment
Experience with network monitoring, threat identification, zero-day exploits, and incident response
Experience with secure cloud connectivity and hybrid architectures
Strong leadership and mentoring abilities
Excellent communication and problem-solving skills
Ability to manage complex, compliance-driven initiatives
Ability to document environments and keep them up to date
Ability to travel to offices across the US for project-related work

Benefits

Comp & perks

Medical insurance
Dental insurance
Vision insurance
Life insurance
Tricare supplement
Short-term disability
Long-term disability
401(k) match
Flexible spending accounts
Health savings accounts
Employee assistance program
Learning and development benefit
Paid time off
Holidays
Employer match program
Volunteering events