Senior Network and Security Engineer

Alter Domus; Chicago (IL); On-site; USD 60,000 - 105,000; Full time

Benefits offered by this job

ACCA support

Study leave

Flexible holidays

Birthday day off

Mentoring program

Employee Share Plan

Office social events

Job summary

Alter Domus is seeking an experienced Network Engineer to design, implement, and manage enterprise network infrastructure across on‑premises and hybrid cloud environments in Chicago. You will work with infrastructure, security, and cloud teams to ensure high availability, performance, and security of the network.

Responsibilities include managing data center networking, implementing NSX with micro-segmentation, routing/switching, VPNs, and firewalls, plus on-call rotation when required.

Qualifications

• Bachelor’s degree in a related field.
• 5+ years in network engineering and data center operations.
• VMware NSX certification is a plus.
• CCNP/CCIE or equivalent preferred.

Responsibilities

• Manage and support enterprise data center network infrastructure.
• Design, implement, and maintain VMware NSX environments including micro-segmentation.
• Configure routing, switching, firewall policies, VPNs, and NAT.
• Monitor performance, availability, and security incidents.
• Coordinate with server, virtualization, cloud, and security teams for changes.

Skills

Data center networking

Networking fundamentals

Cisco devices

VMware NSX

BGP/OSPF/VLANs

Firewall & VPNs

Zero Trust concepts

Education

Bachelor's degree

VMware NSX certification (nice to have)

Tools

NSX

SIEM tools

WLC/802.1X devices

Job description

ABOUT US:

As a world leading provider of integrated solutions for the alternative investment industry, Alter Domus (meaning “The Other House” in Latin) is proud to be home to 90% of the top 30 asset managers in the private markets, and more than 6,000 professionals across 24 jurisdictions.

With a deep understanding of what it takes to succeed in alternatives, we believe in being different - in what we do, in how we work and most importantly in how we enable and develop our people. Invest yourself in the alternative, and join an organization where you progress on merit, where you can speak openly with whoever you are speaking to, and where you will be supported along whichever path you choose to take.

Find out more about life at Alter Domus at careers.alterdomus.com

JOB DESCRIPTION:

We are looking for an experienced Network Engineer with strong expertise in, Data center networking and Network security operations. The candidate will be responsible for designing, implementing, troubleshooting, and managing enterprise network infrastructure across on-premises and hybrid cloud environments. The role involves working closely with infrastructure, security, and cloud teams to ensure high availability, performance, and security of the network environment.

Key Responsibilities

• Manage and support enterprise data center network infrastructure.
• Design, implement, and maintain VMware NSX environments including micro-segmentation and distributed firewall policies.
• Configure and troubleshoot routing and switching technologies.
• Manage firewall policies, VPNs, NAT, and security controls.
• Support data center operations including LAN, WAN,
• Knowledge in Hub-Spoke and spine-leaf architecture
• Monitor network performance, availability, and security incidents.
• Perform root cause analysis for network outages and service degradation.
• Implement high availability solutions such as HSRP, VRRP, dynamic routing, and redundancy mechanisms.
• Work on BGP, OSPF, VLANs, STP, LACP, and MPLS technologies.
• Coordinate with server, virtualization, cloud, and security teams for infrastructure changes.
• Manage load balancers, DNS, DHCP, and IPAM solutions.
• Handle change management, patching, upgrades, and documentation activities.
• Ensure compliance with security standards and operational best practices.
• Support disaster recovery and business continuity initiatives.
• Participate in 24x7 support or on-call rotation when required.

Required Skills

• Experience in data center operations and enterprise networking.
• Hands-on experience with Cisco, Dell, Checkpoint, Palo Alto, ISE and WLC devices.
• Strong understanding of TCP/IP, routing, and switching concepts.
• Experience with BGP, OSPF, VLANs, VXLAN, EVPN, STP/RSTP/MSTP, LACP/Port Channel
• Experience with VPN technologies including IPsec and SSL VPN.
• Familiarity with monitoring and SIEM tools.
• Understanding of zero trust and network segmentation concepts.

Qualifications

• Bachelor’s degree or related field.
• 5+ years of experience in network engineering and data center operations.
• Good to have VMware NSX certification.
• Cisco CCNP/CCIE or equivalent certification preferred.
• Experience in large enterprise or multi-data-center environments.
• Exposure to hybrid cloud networking and SDN technologies.
• Knowledge in incident management and change management processes.
• Knowledge of network security best practices and compliance frameworks.
• Strong troubleshooting and analytical skills.
• Good communication and stakeholder management.
• Ability to work in fast-paced production environments.
• Strong documentation and reporting skills.
• Team collaboration and leadership capabilities.

WHAT WE OFFER:

We are committed to supporting your development, advancing your career, and providing benefits that matter to you.

Our industry-leading Alter Domus Academy offers six learning zones for every stage of your career, with resources tailored to your ambitions and resources from LinkedIn Learning.

Pay range: Our pay ranges from $60,000 to $105,000+ for this role. We encourage all applicants to discuss the overall package with our recruitingteam.

Our global benefits also include:

• Support for professional accreditations such as ACCA and study leave
• Flexible arrangements, generous holidays, plus an additional day off for your birthday!
• Continuous mentoring along your career progression
• Active sports, events and social committees across our offices
• 24/7 support available from our Employee Assistance Program
• The opportunity to invest in our growth and success through our Employee Share Plan
• Plus additional local benefits depending on your location

Alter Domus is an Equal Opportunity Employer: Equity Statement

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected veteran status.

Alter Domus Privacy notice can be reviewed via Alter Domus webpage: https://alterdomus.com/privacy-notice/

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