We are seeking a highly experienced Senior Network Engineer to serve as a deep technical resource on the Network & Infrastructure team. Reporting to the Director of Network & Infrastructure, this individual will own enterprise network operations across a dynamic real estate portfolio encompassing commercial office, retail, multi-family residential, and the Observatory. Ensuring high availability, security, and performance across the full property footprint.
The role spans cloud and hybrid network architecture, firewall operations (Palo Alto / Panorama), secure identity and access platforms, and a broad ecosystem of building, IoT, and PropTech environments. The ideal candidate brings 8–10 years of hands-on enterprise network engineering experience, functions as the primary escalation point for complex incidents, and is equally comfortable driving strategic design and executing in production environments.
RESPONSIBILITIES
TECHNICAL LEADERSHIP & ESCALATION:
- Serve as the primary escalation point for complex network incidents, outages, and performance issues owing problems through to resolution with clear communication to stakeholders
- Provide expert guidance to internal engineers, MSP resources, and NOC personnel on architecture, troubleshooting methodology, and root cause analysis
- Lead post-incident reviews, drive root cause identification, and implement lasting remediations to prevent recurrence
- Evaluate complex vendor and MSP escalations; make technical decisions on design, tooling, and resolution approach
NETWORK ARCHITECTURE & DESIGN:
- Work with the Director of Network & Infrastructure to architect scalable, resilient, and secure network solutions across LAN, WAN, wireless, cloud, and building infrastructure
- Lead the design and evolution of network segmentation strategy including zero-trust principles, VRF separation, and secure OT/IT boundary enforcement
- Develop and maintain network infrastructure standards, reference architectures, and design patterns for consistent deployment across properties
- Evaluate emerging technologies and contribute to the long-term infrastructure roadmap, particularly around Palo Alto / Panorama, Aruba, and cloud connectivity platforms
NETWORK ENGINEERING & OPERATIONS:
- Design, deploy, and manage enterprise network infrastructure across BMS, IoT, Wi-Fi, PropTech, AV, security systems, corporate offices, and the Observatory
- Administer Palo Alto NGFWs via Panorama — policy management, threat prevention, VPN, NAT, and security profile lifecycle management
- Manage and optimize Aruba switching and wireless infrastructure including configuration, upgrades, RF planning, and troubleshooting via Aruba Central
- Own BGP, OSPF, VLANs, VPN, QoS, and DNS configurations across multi-site environments
- Manage WAN and ISP connectivity including failover design and carrier-level troubleshooting
- Support IoT and PropTech deployments in a secure manner with a focus on building systems, access control, and sustainability technology
SECURITY & COMPLIANCE:
- Lead network security posture improvements including firewall policy lifecycle, ACL governance, and vulnerability remediation
- Administer Zscaler ZIA and ZPA — URL filtering, SSL inspection, cloud firewall rules, and app connector management
- Manage Proofpoint email security platform including anti-spam, anti-phishing, encryption, and threat response policies
- Administer BitSight to track, triage, and coordinate remediation of external security posture findings
- Maintain PCI-DSS and SOX compliance through adherence to and enforcement of network policies and procedures
- Collaborate with the MSSP on security monitoring, threat analysis, and incident response
- Ensure timely application of patches, hotfixes, and firmware upgrades across all network equipment
IDENTITY, ACCESS & CLOUD:
- Administer Okta for SSO/SAML/OIDC, MFA enforcement, and user lifecycle management including SCIM provisioning and deprovisioning
- Manage Conditional Access Policies and integrate identity platforms with Palo Alto User-ID, Zscaler IdP federation, and Azure AD
- Design and manage Microsoft Azure cloud networking including hybrid connectivity, VNet architecture, NSGs, and Azure Firewall
- Support Microsoft 365 and Exchange Online from a network and connectivity perspective including split tunneling and optimization
- Support IAM and PAM platforms as they relate to network access control and privilege governance
BUILDING NETWORK INFRASTRUCTURE:
- Administer building rise infrastructure and ensure integration of IT and OT devices on segregated network segments.
MONITORING, DOCUMENTATION & GOVERNANCE:
- Drive network monitoring strategy and tooling to ensure proactive alerting and performance trending across the full infrastructure estate
- Author and maintain high-quality documentation including topology diagrams, configuration baselines, SOPs, and runbooks
- Contribute to business continuity and disaster recovery procedures; develop, test, and maintain failover runbooks
- Adhere to change management and PMO best practices for all infrastructure changes; manage project milestones with clear stakeholder communication
WHAT SUCCESS LOOKS LIKE
- Complex escalations are resolved decisively and thoroughly, with clear communication throughout the team and Director trust this person to own the hardest problems
- Network architecture documentation, standards, and reference designs are developed and kept current, reducing reliance on tribal knowledge
- Security posture improves measurably: firewall policies are rationalized, vulnerabilities remediated on time, and segmentation consistently enforced
- Network stability and availability are maintained across all properties; incidents are detected proactively rather than reactively
- New technologies and architectural improvements are identified and brought forward with well-reasoned business cases
- Service Desk escalations are resolved efficiently with recurring patterns identified and addressed proactively
REQUIRED SKILLS / ABILITIES
- Expert-level policy management, troubleshooting, and architecture across a distributed multi-site environment
- Panorama: centralized policy administration, device group management, log forwarding, and operational management at scale
- Advanced firewall design: zone-based architecture, App-ID, User-ID, URL filtering, SSL decryption, threat prevention, and WildFire integration
- GlobalProtect: VPN configuration, gateway management, and site-to-site connectivity
- NAT policy design, security profile tuning, and firewall policy lifecycle management
- PCNSE certification strongly preferred
ARUBA WIRELESS & SWITCHING:
- Aruba CX / AOS-CX switching — configuration, troubleshooting, and lifecycle management across multi-site environments
- Aruba Central management: RF planning, access point lifecycle, and performance optimization
- Wireless security: 802.1X, RADIUS integration, guest network segmentation, and rogue AP detection
- SD-WAN architecture awareness and WAN/ISP circuit failover design
ZSCALER ZIA / ZPA:
- Zscaler Internet Access (ZIA) URL filtering, SSL inspection, cloud firewall, and policy configuration
- Zscaler Private Access (ZPA) zero-trust application access, app connector management, and policy administration
- Zscaler tenant administration, log streaming, and integration with SIEM and identity providers
OKTA / IAM & PAM:
- Okta SSO/SAML/OIDC configuration, MFA enforcement, and user lifecycle management including SCIM provisioning
- Okta integration with Palo Alto User-ID, Zscaler IdP federation, and Azure AD directory sync
- PAM platform familiarity and IAM integration with network access controls and Conditional Access Policies
DNS & DOMAIN SECURITY:
- Windows DNS / Active Directory-integrated internal DNS, external authoritative DNS, and split-brain DNS architectures
- DNSSEC implementation and DNS-based threat detection and filtering
- Domain protection — monitoring for lookalike/spoofed domains and unauthorized SSL/TLS certificate issuance
- SSL/TLS certificate lifecycle management across internal and external services
- BitSight or equivalent EASM platform administration
PCI-DSS & SOX COMPLIANCE:
- Working knowledge of PCI-DSS and SOX requirements for network segmentation, access control, and audit logging
- Firewall ACL governance, policy review cycles, and evidence collection for compliance audits
- Experience in a regulated industry (real estate, financial services, or similar) preferred
CLOUD & HYBRID NETWORKING:
- Microsoft Azure — VNet design, hybrid connectivity (ExpressRoute / VPN Gateway), NSGs, Azure Firewall, and Azure AD / Entra
- Hybrid DNS resolution, cloud-to-on-premises connectivity patterns, and identity federation
- Microsoft 365 and Exchange Online — network requirements, split tunneling, and connectivity optimization
OT / BMS / IoT / PROPTECH (PREFERRED SKILLS):
- Hands-on experience with network design for building management systems (BMS), IoT devices, and PropTech deployments
- Network segmentation for OT/IT boundaries including VRF separation and secure access control
- Experience supporting access control, CCTV, AV systems, and sustainability technology in a commercial real estate or multi-family residential environment
- Awareness of OT security principles and protocols relevant to building infrastructure
- Communicates complex technical issues, architectural decisions, and incident status clearly to both engineering peers and executive leadership
- Strong analytical and troubleshooting instincts works through ambiguous, high-pressure situations methodically and calmly
- Collaborative mindset: works effectively with internal teams, MSP, MSSP, and vendors; shares knowledge freely and raises team capability
- Self-directed and highly accountable that takes ownership without waiting to be asked and follows through to full resolution
- Strong documentation discipline; leaves systems, configurations, and designs better documented than found
- Proactively monitors industry developments and brings emerging technologies and best practices to the team's attention
EDUCATION & EXPERIENCE
8–10 years of progressive, hands-on enterprise network engineering experience with demonstrated depth in complex, multi-site environments
At least 3 years in a senior or lead capacity managing complex, multi-site infrastructure
Proven experience serving as a technical escalation resource or informal architect on an infrastructure team
Experience in Real Estate, Financial Services, or a similarly regulated industry preferred
PCNSE (Palo Alto Networks Certified Network Security Engineer) strongly preferred; Panorama hands-on experience is a firm requirement
Aruba/HPE (ACSA/ACCP), Zscaler (ZCCA-IA/PA), Azure (AZ-104), or Okta Certified Administrator are a plus
CCNP Enterprise or equivalent routing/switching certification considered; demonstrated production depth matters most
Associate's or Bachelor's Degree in Computer Science, Information Technology, or related field preferred; equivalent professional experience considered
PHYSICAL REQUIREMENTS
- Prolonged periods of sitting at a desk and working on a computer
- Must be able to lift up to 15 pounds at times
WHAT YOU CAN EXPECT
- Adaptable – you are a self-starter who’s able to quickly digest and execute new processes to work both collaboratively and independently
- Dynamic – you are solutions-oriented, aim to improve processes and implement efficiency, and offer insightful feedback to improve ESRT
- Dependable – you take a strong sense of ownership and accountability over your work
- Passionate – you keep up with industry trends and are excited about the potential to propel the industry forward with a “roll-up-your-sleeves” attitude
- Curious – you consistently look for new ways to work smarter, not just harder
- Ethical – you treat others with respect, act with integrity in how you perform your work, and embrace our collaborative culture
- Positive – you possess a service-oriented attitude with excellent follow through
BENEFITS
- Competitive base salary and bonus
- Health/Dental/Vision insurance
- Company sponsored Life, AD&D, STD (with Salary Continuation), and LTD Insurance
- Voluntary Enhanced LTD Program
- Voluntary Hospital, Accident, and Cancer Programs
- 401(k) with 100% match up to 5%
- Paid parental leave
- Pre-tax transit accounts
- Employee Assistance Program for emotional, financial, and legal support
WELL-BEING
- Generous paid time off
- Flex remote work time
- Flex Summer Fridays
- Employee engagement programs
- Volunteer time off
- Continuing education
- Complimentary Empire State Building Observatory access
- Complimentary gym membership and other wellness benefits
- Employee Discount Programs