Sr. Network Security Engineer (4296)

Join a mission-driven team securing the networks that power national law enforcement. SMX is hiring Senior Network Security Engineers to protect and maintain critical infrastructure for a federal law enforcement agency. You’ll play a hands-on role implementing advanced cybersecurity controls, responding to real-time threats, and fortifying connectivity across hybrid enterprise environments. This position is ideal for professionals who thrive under pressure, bring deep technical knowledge of security protocols and networking technologies, and are passionate about enabling secure law enforcement operations. This position is supporting a Clarksburg, WV customer and requires a Top-Secret clearance.

Essential Duties and Responsibilities:  

• Monitor and secure LAN/WAN infrastructure, including VPNs, cloud access points, and secure web gateways.
• Troubleshoot and resolve security issues across routing protocols (BGP, EIGRP, OSPF) and firewalls, proxies, and gateways.
• Perform vulnerability assessments, risk analyses, and contribute to security certification and compliance readiness.
• Implement and tune security configurations, conduct account management, and ensure continuous log monitoring and patching.
• Participate in incident response, root cause analysis, and remediation of identified issues.
• Collaborate with operations and engineering teams to implement proactive network defense strategies.
• Maintain detailed documentation of configurations, incidents, procedures, and mitigation plans using Jira and Confluence.

Required Skills / Experience:  

• Minimum 3 years of experience with at least 2 years of current hands-on experience supporting and troubleshooting networked systems.
• Strong technical background in networking and cybersecurity.
• Proficiency with Linux/Unix-based operating systems.
• Experience with application-layer and network protocols including RTP, RTSP, FTP, DNS, HTTP, and DHCP.
• Knowledge of enterprise firewall, proxy, VPN, and intrusion prevention systems.
• Experience working in an Agile environment using Scrum, XP, Kanban, and SAFe.
• Excellent analytical, documentation, and interpersonal communication skills.
• Top-Secret clearance.

Desired Skills / Experience: 

• Bachelor’s degree in computer engineering, Computer Science, Engineering, Information Systems, or related field.
• CompTIA Security+ (preferred)
• CASP+ or Cisco Certified Cybersecurity Associate (CCCA) (preferred)

 

 Application deadline 6-27-2025

 

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The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement.

The proposed salary for this position is:$95,600—$159,300 USD

 

At SMX®, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.

We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what’s possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.

SMX is an Equal Opportunity employer including disabilities and veterans.

Selected applicant may be subject to a background investigation and/or education verification.