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Senior Security Architect - Security Operations

Job in Greenwood Village, Arapahoe County, Colorado, USA
Listing for: NTT Global Networks
Full Time position
Listed on 2026-01-27
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Security, Cloud Computing
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

Senior Security Architect – Security Operations

Position Overview:

NTT is hiring an energetic senior security architect to join our Security Operations Center. Our architects are responsible for managing large enterprise network and security infrastructure. This security architect is a senior technical leader responsible for planning, design, policy management, monitoring, troubleshooting, and resolution of security threats and incidents. This role requires in-depth technical expertise in networking, security, and cloud infrastructure.

This security architect will work within a team of security engineers, network engineers, operations support engineers, and vendors to support NTT Global Network’s customers.

Primary Responsibilities:

  • Secure, operate, and maintain enterprise customer network and security infrastructure
  • Optimize enterprise on-premises based as well as SSE/cloud-based security services functionality to detect, avoid, respond, and mitigate attacks and security vulnerabilities
  • Perform on-premises and SSE/cloud-based security design reviews, detailed health assessments, and remediation deployment plans
  • Perform security equipment and SSE/cloud security services configuration and software updates
  • Provide Customer support with monitoring, incident response, troubleshooting, and resolving security device and Cloud security services functionality issues
  • Implement security technology projects including design, proof of concept testing, and implementation for enterprise customers
  • Design and implement AI-driven automation to proactively identify security issues, optimize mitigation, and reduce manual intervention across edge and cloud environments
  • Provide consulting to enterprise customers for IT security compliance and policies
  • Serve as an escalation contact for engineers working on complex issues, changes, and designs

Required Skills and Experience:

  • A minimum of seven years of experience as a security engineer, with strong hands-on network, security, and application troubleshooting experience
  • Detailed hands-on technical experience in the operational support of security solutions
  • Knowledgeable of security products such as cloud-delivered security services, SASE/SSE, CASB, zero trust access, next-generation firewalls, web security, SSL/TLS protocols, DNS security, anti-malware, DDOS, DLP, NAC, and zero-day attack
  • Experience with deployment and management of Firewall/IDS/IPS including Cisco, Palo Alto, Fortinet, Juniper, and Checkpoint
  • Experience with deployment and management of cloud security environments including AWS, MS Azure, GCP, Open Stack, Cloud Stack, Netskope, Palo Alto Prisma, and ZScaler
  • Experience with deployment and management of Network Access Control technologies including Cisco ISE and Aruba Clear Pass
  • Experience with deployment and management of Load Balancers including F5 BigIP LTM/GTM and Citrix ADC
  • Experience with deployment and management of SSL technologies including Palo Alto Global Protect and Zscaler
  • Experience with SIEM products including QRadar and Microsoft Sentinel
  • Experience in security penetration testing and security infrastructure assessments
  • Experience with zero trust setups and AAA/TACACs frameworks such as segmentation, single sign-on, multi-factor authentication, and AD integration
  • Strong knowledge of automation and scripting languages such as Python and Perl
  • Knowledgeable of IP networking and technologies across a range of infrastructure including SD-WAN, LAN/WAN, IP routing protocols, VLANs, ACLs, and VoIP
  • Knowledge of security compliance standards and frameworks, such as GDPR and guidelines in major industry verticals
  • Ability to engage in technical discussions with enterprise customer CISOs and architects
  • Excellent computer skills including Windows and Linux/Unix operating systems

Additional Requirements:

  • Bachelor of Science Degree in computer science, engineering, or equivalent experience
  • Security Certifications such as CISSP, CISM, GIAC, CEH
  • Familiarity with enterprise security controls and security best practices
  • Track record of getting things done quickly and with quality
  • Ability to manage multiple projects while aligning to resources, priorities, and timelines
  • Prior experience…
Position Requirements
10+ Years work experience
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