Who We Are
In today’s work environment, employees use a myriad of devices to access IT applications and data over multiple networks to stay productive, wherever and however they work. Ivanti elevates and secures Everywhere Work so that people and organizations can thrive.
While our headquarters is in the U.S., half of our employees and customers are outside the country. We have 36 offices in 23 nations, with significant offices in London, Frankfurt, Paris, Sydney, Shanghai, Singapore, and other major cities around the world.
Ivanti’s mission is to be a global technology leader enabling organizations to elevate Everywhere Work, automating tasks that discover, manage, secure, and service all their IT assets. Through diverse and inclusive hiring, decision-making, and commitment to our employees and partners, we will continue to build and deliver world-class solutions for our customers.
Our Culture - Everywhere Work Centered Around You
At Ivanti, our success begins with our people. This is why we embrace Everywhere Work across the globe, where Ivantians and our customers are thriving. We believe in a healthy work-life blend and act on it by fostering a culture where all perspectives are heard, respected, and valued. Through Ivanti’s Centered Around You approach, our employees benefit from programs focused on their professional development and career growth.
We align through our core values by locking arms in collaboration, being champions for our customers, focusing on the outcomes that matter most and fighting the good fight against cyber-attacks. Are you ready to join us on the journey to elevate Everywhere Work?
Why We Need You!
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Experience: 10+ years in Networking Security, specializing in Windows-based VPN clients, SSL-VPN, IPSec VPN, ZTNA, or NAC solutions.
Role Overview:
As a Staff Engineer – Windows VPN Client Development, you will be a key technical leader in the design, development, and optimization of Ivanti's Secure Access Windows VPN client. You will drive architectural decisions, enhance VPN performance and security, and collaborate with cross-functional teams to build a best-in-class enterprise VPN solution.
Key Responsibilities:
- Lead Development & Optimization of Ivanti Secure Access Windows VPN Client:
- Architect, design, and implement core components of the Windows VPN client.
- Develop and optimize SSL-VPN, IPSec VPN, Always-On VPN, split tunnelling, and per-app VPN.
- Ensure seamless Windows OS integration, including networking stack and security frameworks.
- Windows System Development & Debugging:
- Develop and maintain Windows-based VPN clients using C++, VC++, and Windows System Programming.
- Debug and optimize kernel-mode and user-mode networking components.
- Enhance driver-level networking (NDIS, TDI, WinSock, Windows Filtering Platform (WFP), TAP/TUN drivers).
- Networking & Security Protocols:
- Implement and optimize SSL/TLS, IPSec, IKEv2, L2TP, WireGuard, OpenVPN protocols for secure communication.
- Work with DHCP, TCP/IP, RADIUS, LDAP, SNMP, and 802.1X for authentication and network access control.
- Enterprise Authentication & Security Integration:
- Develop and enhance multi-factor authentication (MFA), certificate-based authentication, SAML, OAuth, and Kerberos.
- Integrate with Active Directory (AD), RADIUS, and cloud identity providers (Azure AD, Okta, PingID).
- Security Hardening & Vulnerability Management:
- Identify, analyze, and mitigate security vulnerabilities (CVE analysis, patches, and compliance).
- Implement security best practices and conduct testing using Metasploit, BurpSuite, Nessus, ZAP, Qualys, and Black Duck.
- Technical Leadership & Collaboration:
- Act as a technical mentor for junior engineers and provide architectural guidance.
- Collaborate with backend, cloud, security, and QA teams to ensure a robust VPN solution.
- Work in an Agile environment, driving best practices and continuous improvements.
Required Skills:
✅ Expert-level experience in C++, VC++, and Windows System Programming.
✅Deep understanding of Windows OS internals, networking stack, and performance tuning.
✅ Strong expertise in developing Windows VPN clients and working with NDIS, WinSock, WFP, and driver-level networking.
✅ Hands-on experience with SSL-VPN, IPSec, IKEv2, L2TP, WireGuard VPN protocols.
✅ Extensive knowledge of authentication protocols (SAML, OAuth, Kerberos, AD, RADIUS, LDAP, MFA).
✅ Proven experience triaging and fixing security vulnerabilities and working with security tools.Preferred Skills (Plus):
➕ Experience with Zero Trust Network Access (ZTNA) and cloud-based VPN solutions.
➕ Knowledge of Windows Defender Firewall (WFP), endpoint security, and compliance standards (FIPS, NIST, GDPR, SOC 2).
➕ Experience with containerization (Docker, Kubernetes) and cloud platforms (AWS, Azure, GCP).Our Employer Commitment
This job posting will remain active until a qualified candidate is identified.
At Ivanti, we are committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants and teammates without regard to race, color, religion, sex, pregnancy (including childbirth, lactation and related medical conditions), national origin, age, physical and mental disability, marital status, sexual orientation, gender identity, gender expression, genetic information (including characteristics and testing), military and veteran status, and any other characteristic protected by applicable law. Ivanti believes that diversity and inclusion among our teammates is critical to our success as a global company, and we seek to recruit, develop and retain the most talented people from a diverse candidate pool.
We invite individuals of all backgrounds and abilities to apply. If you require assistance to optimize your interview experience, please contact us at recruiting@ivanti.com.
#LI-IP2 - Lead Development & Optimization of Ivanti Secure Access Windows VPN Client:
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