Security Engineer ll – Microsoft Sentinel SIEM

We Help the World Be Everyday Ready™
Today's threatscape is relentless. So are we. At Cyderes, we build practical Identity & Access Management (IAM), Exposure Management, and risk programs, helping organizations stop active threats fast with Managed Detection & Response (MDR) that integrates with existing tools. Powering it all is Meridian, our entity fabric that connects identities, assets, and access into one trusted reality. Augmented by AI and driven by experienced operators, our tireless global team arms organizations with the people, platforms, and perspectives they need to conquer whatever tomorrow throws their way.
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About The Job
The Security Engineer ll – Microsoft Sentinel & Defender XDR plays a critical engineering role within Cyderes' Managed Sentinel SIEM and MDR services.
You will go beyond basic platform administration. The Security Engineer ll is responsible for detection engineering, platform optimization, onboarding lifecycle execution, and Defender XDR integration. You will be a trusted technical resource to clients, ensuring you configure, improve, and improve their Microsoft security ecosystem against evolving threats.
You will represent and promote the Cyderes brand through collaboration, and delivery that meets client expectations.
You will report to Senior Manager, Managed Platforms.
Responsibilities
Design, configure enterprise firewall and network security solutions
Manage Fortinet FortiGate, Palo Alto Networks, Cisco ASA/Firepower and related security technologies
Create firewall policies, security rules, access-control lists, and network security configurations
Configure and troubleshoot NAT, site-to-site VPNs, remote-access VPNs, IPsec, SSL VPNs, and network segmentation
Troubleshoot complex network connectivity and firewall-related issues across enterprise environments
Analyze firewall traffic, logs, and network behavior to identify security issues and configuration problems
Perform firewall rule reviews, cleanup, policy optimization, and security-hardening activities
Support firewall migrations, upgrades, replacements, and technology refresh programs
Configure and maintain high-availability firewall environments
Work with routing and networking technologies including TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, and subnetting
Partner with SOC, infrastructure, cloud, and security teams during security incidents and investigations
Report into Senior Network Security Leadership
Requirements
Hands-on experience as a Firewall Engineer, Network Security Engineer, or Security Engineer
Advanced experience with the following:
Fortinet FortiGate / FortiManager / FortiAnalyzer
Palo Alto Networks / PAN-OS / Panorama
Cisco ASA / Cisco Firepower / Secure Firewall
Experience configuring and troubleshooting enterprise firewall policies and security rules
Knowledge of TCP/IP networking, routing, switching, VLANs, NAT, DNS, and network segmentation
Experience with IPsec VPN, SSL VPN, remote access, and site-to-site connectivity
Experience troubleshooting network traffic and connectivity issues.2259
WHY CYDERES?
Benefits that go beyond the basics, we support our people so they can do their best work.
✔ Medical Insurance - Employee + dependents covered
✔ Life Insurance - Protection for what matters most
✔ Retirement Match Program - We invest in your future
✔ Hybrid Work Model - 2–3 days in office
✔ Maternity & Paternity Leave - Time for the moments that matter
✔ Paid Time Off - PTO + sick & casual leave
✔ Bereavement & Volunteer Time - Give back to your community
✔ Professional Development - Reimbursement program
✔ LinkedIn L&D Platform - Thousands of courses at your fingertips
✔ Mobile Phone Reimbursement - Stay connected, on us
Cyderes is an Equal Opportunity Employer (EOE). Qualified applicants are considered for employment without regard to race, religion, color, sex, age, disability, sexual orientation, genetic information, national origin, or veteran status.
Note: This job posting is intended for direct applicants only. We request that outside recruiters do not contact us regarding this position.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Work arrangement
Hybrid