Senior Network Security Engineer

Position Summary
The Senior Network Security Engineer leads the design, implementation, and governance of secure enterprise network infrastructures across on-premises, cloud, and hybrid environments. This role ensures the protection of corporate assets and, where applicable, Controlled Unclassified Information (CUI), by aligning systems to cybersecurity best practices and compliance frameworks such as NIST SP 800-171 and CMMC Level 2.
Responsibilities
Duties include, but not limited to:
Architect, implement, and maintain secure 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 proper VLAN segmentation and zero-trust alignment.
Perform daily monitoring of network health 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, design Wi-Fi architectures, and support office buildouts.
Evaluate new technologies and lead implementation efforts
Occassional travel to offices across the US for project related work.
Qualifications
Citizenship: Must be a US citizen
Minimum Required Qualifications
Clearance: ability to obtain
Education: Bachelor's Degree
Years of Experience: 10+
Certifications: Any relevant enterprise network and firewall technologies
Preferred Qualifications
Clearance: Secret
Education: Bachelor's
Years of experience: 10+
Certifications: CCNP, GIAC, CEH, or CMMC
Technical Skills
Architect, implement, and maintain secure 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.
Network access control implementation.
Ensure proper VLAN segmentation and zero-trust alignment.
Perform daily monitoring of network health 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, design Wi-Fi architectures, and support office buildouts.
Evaluate new technologies and lead implementation efforts
Interpersonal Skills
Strong leadership and mentoring abilities.
Excellent communication and problem-solving skills.
Ability to manage complex, compliance-driven initiatives.
Ability to document environment and keep up to date.
Accountability
Comminication
Colaboration
Transparency
Trust
Additional Information
Location: Massachusetts
Travel: 10%
Remote, Onsite, or Hybrid: Wakefield HQ or Remote
Company Overview
Odyssey is a world-class technical, engineering, and integration company serving the warfighting ecosystem with airborne integration, ISR, C2, and warfighter readiness capabilities. Odyssey meets the military’s operational needs by integrating layered defense systems from equipment, technology, and services to data, information, and business operations. We streamline defense acquisition and sustainment, engineering the technical battlefield with domain-specific proficiency to ensure lethality. Odyssey is dedicated to excellent contract execution, peak organizational performance, and fostering a workplace built on employee care.
Odyssey is proud to live out our core values of commitment, ambition, and respect in our work and communities through OdysseyCares , a philanthropic group focused on giving back through direct donations, an employer match program, and volunteering events.
Equal Opportunity Employer/Protected Veterans/Individuals With Disabilities
Please Note:
Final compensation for this position will be determined by various factors such as the Federal Government contract labor categories and contract wage rates, relevant work experience, specific skills and competencies, geographic location, education, and certifications.
This position is filled through continuous recruitment and will remain open until a sufficient pool of applications has been received.
Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, 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, and holidays.
Odyssey Benefits

Work arrangement
Yes