> Markdown version of [/jobs/ext/4188218-senior-network-security-engineer](https://www.wearedevelopers.com/jobs/ext/4188218-senior-network-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Security Engineer - **Company:** Odyssey Systems Consulting Group - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Cloud Computing Security, Intrusion Detection Systems, Virtual Private Networks (VPN), Network Security, Network Architecture, Network Monitoring, Zero Trust Network Access, Virtual Local Area Networks, Wi-Fi Technology, Network Access Control, Firewalls (Computer Science) - **Published:** October 7, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9228222/senior-network-security-engineer ## About the Role 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, * 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 ## Description 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., 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., * 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