Lead Network Security Engineer

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We are Optimum, a leader in the fast-paced world of connectivity, and we're on the hunt for enthusiastic professionals to join our team! We understand that connectivity isn't just a luxury anymore - it's a necessity that empowers lives, fuels businesses, and drives innovation. A career at Optimum means you'll be enabling progress and enhancing lives by providing reliable, high-speed connectivity solutions that keep the world connected. We owe our success to our amazing product, commitment to our people and the connections we make in every community.
If you are resourceful, collaborative, team-oriented and passionate about delivering consistent excellence, Optimum is the Company for you!
We are Optimum!
Job Summary
We are seeking a highly skilled Lead Network Security Engineer to oversee the security of our enterprise network infrastructure. The ideal candidate will be responsible for designing, implementing, and maintaining robust security solutions to protect our systems from cyber threats. This role requires strong technical expertise, leadership capabilities, and a proactive approach to network security management.
Responsibilities

• Design, implement, and manage network security solutions, including firewalls, VPNs, intrusion detection/prevention systems (IDS/IPS), and secure network architectures.
• Lead security assessments, vulnerability analysis, and penetration testing to identify and mitigate risks.
• Monitor network traffic and security logs to detect and respond to potential threats in real time.
• Develop and enforce security policies, procedures, and best practices across the organization.
• Collaborate with IT teams, security analysts, and compliance officers to ensure regulatory requirements (e.g., ISO 27001, NIST, GDPR) are met.
• Lead incident response efforts as a Tier III operator, including investigation, containment, and resolution of security breaches and network related incidents.
• Implement and manage identity and access management (IAM) solutions to ensure secure authentication and authorization.
• Evaluate and integrate emerging security technologies to enhance network protection.
• Conduct security awareness training for employees and stakeholders.
• Provide mentorship and guidance to junior network security engineers.

Qualifications

• Bachelor's degree in Computer Science, Information Security, or a related field (or equivalent work experience).
• 7+ years of experience in network security engineering, with at least 3 years in a leadership role.
• Strong knowledge of firewalls, VPNs, IDS/IPS, SIEM, NAC and endpoint security solutions.
• Proficiency in network protocols (TCP/IP, DNS, HTTP, BGP, etc.) and security frameworks.
• Hands-on experience with security tools such as Palo Alto, Cisco, Fortinet, Check Point, or similar.
• Familiarity with cloud security (AWS, Azure, or Google Cloud) and Zero Trust architectures.
• Expertise in security standards and compliance frameworks (ISO 27001, NIST, CIS, PCI-DSS, etc.).
• Strong scripting and automation skills (Python, Bash, PowerShell) are a plus.
• Industry certifications such as CISSP, CISM, CCSA, CCNP Security, CEH, or GIAC are highly desirable.
• Excellent problem-solving skills and ability to work under pressure.

Preferred Qualifications:

• Master's degree in Cybersecurity, Information Technology, or related field.
• Experience with Network Security best practices and security automation.
• Knowledge of advanced threat detection techniques and AI-driven security analytics.

At Optimum, we're fueled by our four core pillars: Taking Ownership, Upholding Transparency, Creating Community, and Demonstrating Expertise. Our commitment to empowering employees to take responsibility and embrace proactive problem-solving underpins Taking Ownership. Upholding Transparency is at the core of our culture, with open and honest communication fostering trust among our dedicated team and loyal customers. Creating Community is more than a goal; it's our daily commitment to fostering an environment of collaboration, innovation, and positivity. Demonstrating expertise is a promise we uphold through continuous learning and engagement with our customers to consistently deliver top-quality products and services. These pillars not only shape our culture but define Optimum as a place of excellence, trustworthiness, and thriving community, and we invite you to be a part of our journey.
If you have the drive to succeed and are ready to embark on a thrilling career, seize this opportunity today, and join our winning team, so together, we'll shape the future of connectivity.
All job descriptions and required skills, qualifications and responsibilities for a particular position are subject to modification by the Company from time to time, in the Company's discretion based on business necessity.
We are an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, creed, national origin, religion, age, disability, sex, sexual orientation, gender identity or protected veteran status, or any other basis protected by applicable federal, state, or local law. The Company provides reasonable accommodations upon request in accordance with applicable requirements.
Optimum collects personal information about its applicants for employment that may include personal identifiers, professional or employment related information, photos, education information and/or protected classifications under federal and state law. This information is collected for employment purposes, including identification, work authorization, FCRA-compliant background screening, human resource administration and compliance with federal, state, and local law.
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Nearest Major Market: Plano
Nearest Secondary Market: Dallas