Endpoint, Network & IPS Security SME

About the role

The Endpoint, Network & IPS Security SME is responsible for strengthening enterprise security across devices, identities, and networks. The role focuses on deploying and optimizing Microsoft Defender for Endpoint, Intune, Intrusion Prevention Systems (IPS), Network Access Control (NAC), firewalls, SASE, and secure web proxy solutions. The SME designs and enhances security controls, supports incident response, and contributes to data protection initiatives with Microsoft Purview. Additional responsibilities include automation with PowerShell/KQL, vulnerability management, and providing technical guidance to cross-functional teams.

Key responsibilities

• Validate and support deployment of Microsoft Defender for Endpoint (MDE), ensuring protection, EDR, and hardening requirements are met
• Assist in planning, deploying, and maintaining Microsoft Intune policies for secure device management, compliance enforcement, and configuration baselines
• Support integration and continuous improvement of Intrusion Prevention Systems (IPS) across on-premises and cloud network environments
• Review and support integration of Network Access Control (NAC) into the endpoint and network security ecosystem
• Implement and manage key Network Security technologies, including firewalls, SASE platforms, Secure Web Proxy / URL Filtering, and IPS Platforms
• Review and refine firewall rules, segmentation policies, and IPS signatures to strengthen network access security
• Monitor and respond to alerts in Microsoft 365 Defender, supporting incident investigation and remediation activities
• Build and maintain PowerShell scripts and KQL queries for automation, reporting, and threat hunting
• Support vulnerability management using Tenable or similar tools
• Prepare documentation and support operational handover after deployment

About you

• 3–5 years of experience in endpoint security, network security, IPS operations, and/or Microsoft 365 security technologies
• Strong understanding of endpoint protection, network security architecture, IPS/IDS concepts, Zero Trust principles, and data protection
• Must have experience in a minimum of 3 of the following: Microsoft Defender for Endpoint, Microsoft Intune (Endpoint Management), Intrusion Prevention Systems (IPS), Network Access Control (NAC), Firewalls (Palo Alto, Fortinet, Check Point, Cisco), SASE (Zscaler, Prisma Access, Netskope), Secure Web Proxy / URL Filtering (Zscaler, Blue Coat/Symantec, Forcepoint), Microsoft Purview (Information Protection, DLP, Insider Risk), Microsoft 365 Defender Portal, PowerShell scripting, KQL for threat hunting and reporting, or Tenable or other vulnerability management platforms
• Works independently on moderately complex to advanced tasks and contributes to cross-functional security initiatives
• Participates in design, implementation, and tuning of endpoint and network controls based on business and regulatory requirements
• Collaborates with IT, Network Engineering, Compliance, and SOC teams to ensure consistent enforcement, visibility, and threat prevention
• Supports junior engineers and contributes to internal process improvement and documentation efforts

Benefits

• Extensive resources to support your onboarding and continual development including DXC University
• DXC Recognition, our global virtual platform that fosters a culture of appreciation and celebration with real-time reward and recognition
• Referral rewards when you bring friends and family to work at DXC
• Flexible leave options, including purchased leave
• Charitable and emergency services volunteer days
• Employee Assistance Program to support you and your family

About us

DXC Technology (NYSE:DXC) is where brilliant people embrace change and seize opportunities to advance their careers and amplify customer success. People are the heart of our business. We support each other and work as a team, globally and locally to deliver excellence for our customers and colleagues. We live in more than 70 countries, speak multiple languages and work with over 6,000 customers on almost every continent. We use the power of technology to deliver mission critical IT services that move the world. At DXC we pride ourselves on delivering excellence in everything we do, offering the opportunity to be a part of delivering innovative solutions and helping to solve real business problems for a wide variety of valued clients.