Senior Staff Systems Engineer, Network & Security

We are looking for a Senior Staff Systems Engineer – Network & Security to lead the design and operation of secure, scalable, and highly available infrastructure supporting our internal IT and SaaS platform environments.

This role is deeply hands-on while also setting architectural direction, with a strong emphasis on AWS networking, cloud security, and zero trust principles .

This position is particularly focused on post-acquisition integration, security program development, and continuous improvement of network and cyber defense architectures.

You will play a critical role in securing internal systems, enabling developer productivity, and ensuring resilient connectivity across cloud and corporate environments.

You will serve as a subject matter expert in network infrastructure and cybersecurity, leading a team focused on ensuring resilient, high-performing systems that align with business and compliance requirements.

• Lead and develop a high-performing team responsible for 24x7 security monitoring and response across multiple platforms and environments
• Establish operational processes, escalation paths, and performance metrics for continuous monitoring and incident response
• Architect and implement zero trust network access (ZTNA) for the workforce and systems
• Design network segmentation strategies across AWS and internal environments
• Deploy and manage security controls (NGFW, WAF, Shield, IDS/IPS, secure proxies)
• Partner with Security and GRC teams to align with SOC2, ISO 27001, and other frameworks
• Ensure secure access to internal tools, SaaS platforms, and production environments
• Improve identity-aware access patterns (SSO, conditional access, device posture integration)
• Support secure developer workflows and internal platform services
• Own availability, performance, and scalability of network and security infrastructure
• Lead incident response and deep root cause analysis for network/security events
• Mentor engineers and influence cross-functional teams (SRE, Security, DevOps)
• Lead design reviews and long-term infrastructure strategy
• Design, build, and mature security programs using a combination of in-house capabilities and third-party tools
• Own and operate the enterprise vulnerability management program across infrastructure, cloud, and application environments
• Establish asset visibility and coverage to ensure comprehensive and continuous scanning
• Define risk-based prioritization models incorporating exploitability, asset criticality, and business impact
• Partner with engineering and IT teams to drive timely remediation, including SLAs, tracking, and accountability
• Report on program effectiveness using metrics such as remediation timelines, exposure trends, and risk reduction
• Oversee 24x7 monitoring across multiple security and infrastructure tools, ensuring high signal-to-noise and actionable alerting
• Establish incident response processes and lead major incident investigations

• 6+ years of experience in network engineering, security engineering, or related roles
• 3+ years leading teams in security operations, network engineering, or infrastructure security
• Deep expertise in AWS networking , including:

o VPC design, routing, NAT, security groups, NACLs

o Transit Gateway, PrivateLink, load balancing (ALB/NLB)

• Strong understanding of cloud security principles and zero-trust architecture

o Network security tools (firewalls, WAF, IDS/IPS)

o Identity-integrated access (SSO, IAM, conditional access)

• Solid foundation in traditional networking (TCP/IP, DNS, BGP, VPNs)
• Strong hands-on expertise with security tooling (e.g., SIEM, EDR, IDS/IPS, firewalls, cloud security platforms)
• Deep understanding of network design, protocols, and secure architecture principles
• Proven ability to design and implement scalable security programs

• Experience in cloud environments (AWS, Azure, or GCP) with a focus on secure architecture
• Experience operating or leading a 24x7 monitoring or SOC function
• Familiarity with compliance frameworks such as SOC 2, ISO 27001, or NIST
• Experience with automation and infrastructure-as-code (e.g., Terraform, scripting)
• Background in incident response, threat detection, or adversary simulation

• Operates effectively at both strategic and hands-on levels
• Able to impose structure in ambiguous or rapidly changing environments (e.g., post-acquisition integration)
• Makes pragmatic trade-offs between speed, risk reduction, and long-term architecture
• Focused on outcomes: reducing risk, improving visibility, and increasing operational resilience

As a full-time employee with Securonix, you will be eligible for the following employee benefits:

• Health Insurance with a total sum insured is INR 7,50,000
• Coverage: Self, Spouse, 2 kids, Dependent parents, or parents-in-law
• Personal Accident with total sum insured is INR 10,00,000
• Term Life Insurance with a sum assured for employees is 5 times fixed base pay is covered.

Securonix, Inc. provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, amnesty or status as a covered veteran in accordance with applicable federal, state and local laws.

Securonix complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities.

This policy applies to all terms and conditions of employment, including hiring, placement, promotion, termination, layoff, recall, and transfer, leaves of absence, compensation and training.