Lead - Professional Services (Cortex XSIAM / SIEM)
Lead - Professional Services (Cortex XSIAM / SIEM)

Lead - Professional Services (Cortex XSIAM / SIEM)

Full-Time 72000 - 108000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead and shape our Professional Services for Cortex XSIAM, driving innovative security solutions.
  • Company: Join a growing MSSP focused on world-class security services.
  • Benefits: Competitive salary of £100k plus bonuses and benefits, with remote work flexibility.
  • Why this job: Make a real impact by defining methodologies and tools in a dynamic environment.
  • Qualifications: Strong SIEM engineering experience and technical leadership skills required.
  • Other info: Opportunity for autonomy and cross-functional collaboration across teams.

The predicted salary is between 72000 - 108000 £ per year.

Location: UK (Remote) - UK Citizens only

Team: Professional Services – MSSP

Role: Senior Technical Lead

Are you an experienced SIEM professional with a passion for engineering, migrations, and technical strategy? We’re a growing MSSP building a best-in-class Professional Services function focused on Palo Alto Networks Cortex XSIAM, and we’re looking for a leader to help define how we deliver and scale world-class security services.

About the Role

  • Shape and build our Professional Services capability — from methodologies to service offerings and governance.
  • Act as a technical expert and trusted advisor for Cortex XSIAM.
  • Architect, deploy, optimise, and support XSIAM solutions across customer SOCs.
  • Lead complex SIEM engineering projects, including SIEM-to-SIEM migrations, rule conversion, and configuration translation.
  • Support pre-sales technical engagement to ensure delivery success.
  • Define and refine delivery frameworks and best practices.
  • Lead enablement initiatives for Professional Services, Customer Success, Presales, and partners.
  • Partner with Product and Engineering teams to prepare for new features and launches.
  • Provide technical escalation and coaching to delivery teams.
  • Mentor and develop newer team members.
  • Build internal resources such as tooling, playbooks, and correlation libraries.

Your Experience

We’re looking for someone with strong experience in:

  • SIEM engineering, configuration, tuning, and administration
  • Complex SIEM migrations
  • Cortex XSIAM design, deployment and optimisation (or equivalent platform experience)
  • Defining delivery processes, frameworks, and repeatable approaches
  • Technical leadership, mentoring, and cross-team collaboration

Typical previous roles include SIEM Engineer, SIEM Migration Specialist, SOC Architect, or Technical SME.

Why This Role Is Different

  • You’ll influence how our Professional Services function operates and scales.
  • Cross-functional impact across Sales, Delivery, Product, and Partners.
  • Autonomy to define methodologies and tools that improve outcomes.

If you’re ready to shape SIEM/XSIAM delivery at scale and build something exceptional, we want to hear from you.

Lead - Professional Services (Cortex XSIAM / SIEM) employer: LT Harper - Cyber Security Recruitment

As a leading Managed Security Service Provider (MSSP) in the UK, we offer an exceptional work environment that fosters innovation and professional growth. Our remote-first culture empowers you to shape our Professional Services function while collaborating with cross-functional teams, ensuring your contributions have a significant impact. With competitive compensation, bonuses, and a commitment to employee development, we provide a rewarding career path for passionate SIEM professionals looking to make a difference.
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Contact Detail:

LT Harper - Cyber Security Recruitment Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Lead - Professional Services (Cortex XSIAM / SIEM)

✨Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend relevant meetups, and engage in online forums. The more people you know, the better your chances of landing that dream job.

✨Tip Number 2

Showcase your expertise! Create a portfolio or a blog where you can share your insights on SIEM engineering and Cortex XSIAM. This not only demonstrates your knowledge but also makes you stand out to potential employers.

✨Tip Number 3

Prepare for interviews by practising common technical questions related to SIEM and Cortex XSIAM. We recommend doing mock interviews with friends or using online platforms to get comfortable with the format.

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive about their job search.

We think you need these skills to ace Lead - Professional Services (Cortex XSIAM / SIEM)

SIEM Engineering
Cortex XSIAM
Technical Strategy
Migrations
Architecting Solutions
Deployment and Optimisation
Configuration Translation
Rule Conversion
Pre-sales Technical Engagement
Delivery Frameworks
Mentoring and Coaching
Cross-team Collaboration
Tooling Development
Playbook Creation
Correlation Libraries

Some tips for your application 🫡

Tailor Your CV: Make sure your CV speaks directly to the role. Highlight your experience with SIEM engineering and Cortex XSIAM, and don’t forget to showcase any leadership roles you've had. We want to see how you can shape our Professional Services!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about this role and how your skills align with our needs. We love seeing genuine enthusiasm for what we do at StudySmarter.

Showcase Your Technical Expertise: In your application, be sure to mention specific projects or experiences that demonstrate your technical prowess in SIEM migrations and configurations. We’re looking for someone who can hit the ground running!

Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of applications and ensures you get the best experience possible. Let’s make this happen together!

How to prepare for a job interview at LT Harper - Cyber Security Recruitment

✨Know Your Stuff

Make sure you brush up on your SIEM knowledge, especially around Cortex XSIAM. Be ready to discuss your experience with engineering, migrations, and technical strategy in detail. The more specific examples you can provide, the better!

✨Showcase Your Leadership Skills

As a Lead for Professional Services, they’ll want to see your technical leadership abilities. Prepare to share instances where you've mentored team members or led complex projects. Highlight how you’ve influenced processes and frameworks in previous roles.

✨Understand Their Needs

Research the company’s current Professional Services capabilities and think about how you can contribute. Be prepared to discuss how you would shape their service offerings and governance. Tailor your answers to show you understand their goals.

✨Engage with Questions

Interviews are a two-way street! Prepare thoughtful questions about their methodologies, tools, and future plans. This shows your genuine interest in the role and helps you assess if it’s the right fit for you.

Lead - Professional Services (Cortex XSIAM / SIEM)
LT Harper - Cyber Security Recruitment

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