Network Boundary Lead

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:Cimarron is seeking a Network Boundary Lead to support the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract at either the Redstone Arsenal in the Huntsville, AL area or Schriever Space Force Base in the Colorado Springs area.

This position may require on-call support and occasional off-hours work for maintenance or incident response.

Key Duties :

• Lead and manage network boundary security operations, including firewall administration, intrusion detection/prevention, and secure remote access solutions.
• Design and implement perimeter security architectures that align with organizational requirements and compliance frameworks such as NIST, ISO, PCI-DSS, and HIPAA.
• Monitor, analyze, and respond to real-time network boundary threats and vulnerabilities.
• Configure and maintain security appliances, including firewalls (e.g., Palo Alto, Cisco ASA), web proxies, VPN concentrators, and email security gateways.
• Develop and enforce network segmentation and access control policies to enhance security posture.
• Collaborate with internal teams and external vendors to ensure integrated security measures and effective incident response.
• Conduct regular audits and assessments of boundary defense systems and recommend enhancements.
• Maintain thorough documentation of boundary security configurations, procedures, and incident response protocols.
• Train and mentor junior team members on network perimeter defense and cybersecurity best practices.
• Support security operations within secure or classified environments as required.

Required Skills, Experience, and Education :

• Due to facility security requirements, only U.S. citizens are eligible for consideration at the time.
• This position requires access to federal facilities. Candidates must possess a valid, unexpired Real ID-compliant driver's license or state-issued identification card at the time of hire. If you are unsure whether your ID is Real ID-compliant, please check for the star symbol in the upper portion of your driver's license or state ID.
• Active Secret Clearance.
• 5 or more years of experience in network security.
• 2 or more years of experience in a leadership or supervisory role.
• Strong expertise in firewall technologies, network protocols, VPNs, and intrusion prevention systems.
• Experience with SIEM tools, network traffic analysis, and packet inspection.
• Knowledge of security frameworks and regulatory requirements, such as NIST 800-53, CIS Controls, and Zero Trust architecture.
• Excellent analytical, problem-solving, and communication skills.

Desired Skills, Experience, and Education :

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field (or equivalent experience).
• One or more of the following certifications: CISSP, CISM, CCNP Security, Palo Alto PCNSE, or Fortinet NSE.
• Experience working in enterprise or government IT environments.
• Familiarity with automation and scripting for network and security operations, using tools such as Python or PowerShell.

Business Profile :

Cimarron is a global solutions company with a strategic partnering approach to satisfying customer-driven requirements. We ensure customer success with a modern approach and experienced leadership. Driven by an entrepreneurial spirit, Cimarron is fueled by highly skilled employees, developing new innovative technologies, and delivering superior products and services. We believe in recognizing employees' worth by offering competitive salaries and benefits, including health, dental, and vision insurance, 401(k) contributions, educational reimbursement, and much more. From company communication through Company-wide information meetings led by our President and CEO, to an Awards program designed to recognize our amazing employees and their accomplishments, you will not only feel like you are a part of a team, you will be a valued member of the Cimarron family. Cimarron is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or any other characteristic protected by federal, state, or local law.

Job Type: Full-time

Pay: $121,000.00 - $165,000.00 per year

Benefits:

• 401(k)
• Dental insurance
• Health insurance
• Paid time off
• Tuition reimbursement
• Vision insurance

Schedule:

• 8 hour shift
• Monday to Friday