Principal Network & Security Architect

PMCL-JAZZ; Karachi Division; On-site; PKR 3,000,000 - 6,000,000; Full time

Job summary

PMCL-JAZZ in Karachi is seeking a Lead Architect – Network & Security to oversee the design authority for all network and security work delivered by Jazz Enterprise Solutions' systems integration team. You will lead engineers across complex multi-vendor projects for enterprise, financial services, and the public sector.

Based in Karachi with nationwide delivery coverage, you will own reference architectures, sign off designs, and drive secure implementations while mentoring engineers.

Qualifications

• Bachelor's degree in Computer Science, Electrical or Electronics Engineering, or a related discipline.
• 12+ years in enterprise network and network-security engineering, hands-on, including at least three years leading a technical team.
• A track record of delivering complex multi-vendor network and security programmes for enterprise or financial services customers, through to customer acceptance.
• Migrations and technology refreshes executed in live production, with structured fallback planning and minimal disruption.
• Pre-sales exposure: solution validation, effort estimation, bill of materials review, and standing in front of a customer to defend a design.
• Evidence of developing engineers. Mentoring, certification planning, and raising the standard of a team's work.

Responsibilities

• Design authority for network and security delivery for all SI projects. Network and security engineers in the team report through this role.
• Own the reference architectures, design standards and technical patterns the team works to, and keep them current as OEM roadmaps move.
• Produce and review High-Level and Low-Level Designs, methods of procedure, migration and rollback plans, and as-built records.
• Sign off every network and security design before it goes to implementation.
• Make sure designs meet customer security, audit and regulatory requirements, including State Bank of Pakistan expectations in the financial sector.
• Lead complex implementations and migrations end to end: data centre fabric builds, WAN and SD-WAN rollouts, firewall migrations, NAC deployments, secure edge services.
• Plan and run change in live production environments with defined fallback and validation criteria.
• Act as the engineering escalation point for network and security (Tier 3 / Tier 4), and lead root-cause analysis on complex incidents.
• Hand over cleanly into managed services, with runbooks, documentation and a proper knowledge transfer.
• Lead the network and security engineers. Allocate work, manage capacity and skills coverage, and hold the team to the standards the role sets.
• Assess and develop the team, including engineers moving across from connectivity delivery into integration and security work.
• Maintain the skills matrix and drive the certification depth that Jazz's OEM partner tiers depend on.
• Interview candidates for the team and take new engineers through onboarding.

Skills

Network design

Security design

Leadership

Pre-sales

Mentoring

Change planning

Education

Bachelor's degree in CS/EE

Tools

Cisco ACI

Nexus

VXLAN/EVPN

Fortinet

Palo Alto

Huawei

F5

ISE

Job description

PMCL-JAZZ in Karachi is seeking a Lead Architect – Network & Security to oversee the design authority for all network and security work delivered by Jazz Enterprise Solutions' systems integration team. You will lead engineers across complex multi-vendor projects for enterprise, financial services, and the public sector.

Based in Karachi with nationwide delivery coverage, you will own reference architectures, sign off designs, and drive secure implementations while mentoring engineers.