Senior Security Architect - Security Operations

NTT Global Networks Incorporated; Greenwood Village (CO); On-site; USD 160,000 - 180,000; Full time

Benefits offered by this job

Health benefits

Dental insurance

Vision insurance

401(k) with employer match

Job summary

NTT Global Networks Incorporated is seeking a Senior Security Architect for Security Operations to lead design, deployment, and operations across on-prem and cloud environments. You will advise CISOs and engineers, drive zero trust and SASE strategies, and implement automation to reduce manual work.

The role requires 7+ years in security engineering, deep networking knowledge, and hands-on experience with major vendor platforms and cloud security services.

Qualifications

• Seven+ years as a security engineer with hands-on network, security, and app troubleshooting.
• Experience with cloud and on-prem security design reviews and remediation planning.
• Strong knowledge of SASE/SSE, zero trust, CASB, and DLP.

Responsibilities

• Secure, operate, and maintain enterprise network and security infrastructure for customers.
• Lead security design reviews and remediation plans for SSE/cloud environments.
• Implement security projects including design, PoC, and deployment.

Skills

Security engineering

Networking

Cloud security

Zero trust

Scripting (Python)

Scripting (Perl)

Troubleshooting

Incident response

Education

Bachelor of Science in CS/Engineering or equivalent

Security Certifications (CISSP, CISM, GIAC, CEH)

Tools

Cisco

Palo Alto

Fortinet

Juniper

Checkpoint

AWS

Microsoft Azure

GCP

OpenStack

CloudStack

Netskope

Palo Alto Prisma

Zscaler

Cisco ISE

Aruba ClearPass

F5 BigIP

Citrix ADC

Palo Alto GlobalProtect

Zscaler (SSL)

QRadar

Microsoft Sentinel

Job description

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, OpenStack, CloudStack, Netskope, Palo Alto Prisma, and ZScaler
• Experience with deployment and management of Network Access Control technologies including Cisco ISE and Aruba ClearPass
• 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 working on global teams that provide 24x7 support to customers
• Willingness to work extended hours and weekends as needed to accommodate global team
• Ability to work effectively with customers, senior management, staff, and suppliers
• Excellent communication, presentation, analytical, and problem-solving skills

About NTT Global Networks

NTT Global Networks is a leader in software-defined managed network and Cloud security services for global enterprises focused on providing end-to-end connectivity and unmatched customer support. Our global expertise and network reach include the world’s largest SaaS and Cloud providers. We are a partner of choice for enterprises that require an optimized and purpose‑built network and Cloud security solution that empowers their digital transformation efforts, achieving true business outcomes. We offer the full lifecycle of design, delivery, and ongoing management with an extensive services suite:

• Managed SD‑WAN helps enterprises optimize their global networks in terms of performance.
• Managed SD‑LAN helps enterprises remove the burden of day‑to‑day management and allows the IT team to focus on the business.
• Managed SASE, SSE services including Secured Gateway and Cloud‑based Network Services helps enterprises secure their Internet and web traffic without investing in technology or infrastructure.

NTT Global Networks offers an attractive compensation and competitive benefits package including health, dental, vision, disability and life insurance, 401(K) with employer match, flexible spending accounts, health savings account, as well as company paid holidays and generous paid time off.

Estimated Annual Salary Range: $160,000 - $180,000