Senior Security Engineer - Endpoint (Palo Alto Cortex)

Build the Future with AspenView Technology Partners

At AspenView, we are passionate about transforming the way organizations approach technology. We specialize in creating high-performing, nearshore IT teams to help North American clients innovate faster and more efficiently. As we continue to grow, we’re looking for exceptional people to join our team and help drive impactful change across industries.

Why Join AspenView?

At AspenView, we’re more than a nearshore IT partner—we’re a people-first, purpose-driven company that believes great culture drives great outcomes. We’re passionate about connecting talent and technology to deliver measurable value for clients—and meaningful career paths for our people.

Here’s what you can expect:

• Competitive base
• Comprehensive benefits and wellness support
• Flexible work model: hybrid, remote, or in-office
• Real growth opportunities and leadership visibility
• Inclusive, respectful culture that blends U.S. innovation with Colombian heart
• A company that listens, invests in you, and celebrates wins together

About the role

The Endpoint Security & Patch Management Engineer is a pivotal role designed to strengthen our client’s endpoint security and operational resilience. You will be responsible for the day-to-day defense of the endpoint landscape, ensuring that systems are both monitored for threats and hardened against vulnerabilities.

Your initial focus will be on securing endpoints, drastically improving patch compliance, and reducing vulnerability exposure. Over time, you will help build a path toward scalable, standardized endpoint security operations.

What you will do:

Cortex XDR Operations

• Manage and support Palo Alto Cortex XDR operations, ensuring optimal configuration and agent health across the fleet.
• Monitor endpoint security alerts, perform triage, and support incident investigations to detect and block malicious activity.
• Fine-tune security policies and exclusion lists to balance security needs with operational performance.
• Troubleshoot agent connectivity issues and deployment failures.

Patch Management & Vulnerability Reduction

• Execute and manage comprehensive patch management cycles for both Windows and Linux environments.
• Partner with infrastructure teams to remediate critical vulnerabilities and reduce exposure windows.
• Analyze patch compliance reports, identify gaps, and manually troubleshoot systems that fail to update.
• Maintain strict adherence to change management processes during patching windows.

Operational Standardization

• Develop and maintain documentation, runbooks, and standard operating procedures (SOPs) for endpoint security.
• Assist in the standardization of endpoint configurations to ensure consistency and scalability.
• Propose automation or process improvements to streamline security operations.

Tools & Technologies:

• Endpoint Security: Palo Alto Cortex XDR (Primary focus).
• Operating Systems: Windows Server/10/11 and Linux (RHEL, Ubuntu, CentOS).
• Patching Tools: Enterprise Patch Management solutions (e.g., MECM/SCCM, BigFix, Automox, or native OS tools).
• Scripting: PowerShell or Bash (for automation and troubleshooting).

What you bring:

• Experience: 5+ years of experience in Endpoint Security, System Administration, or Security Operations.
• Cortex Expertise: Hands-on experience administering or supporting Palo Alto Cortex XDR or similar advanced EDR/XDR platforms.
• OS Mastery: Deep understanding of Windows and Linux operating systems, specifically regarding updates, services, and troubleshooting.
• Patching Knowledge: Proven track record of managing patch cycles in enterprise environments and understanding vulnerability management lifecycles.
• Problem Solving: Ability to diagnose complex agent/OS issues and drive them to resolution.

Nice to have:

• Certifications such as PCNSA (Palo Alto Networks Certified Network Security Administrator) or Microsoft Certified: Security Operations Analyst.
• Experience with scripting (PowerShell/Bash) to automate patch validation or agent deployment.

Equal Opportunity Employer:

AspenView is proud to be an equal opportunity employer. We believe in creating an environment where all employees feel welcome, valued, and empowered to succeed. We celebrate diversity and strive to build a culture of inclusion where all individuals, regardless of their race, color, gender, gender identity or expression, sexual orientation, disability, age, or any other characteristic, can thrive. We encourage applicants from all walks of life to join our team and make a lasting impact.