F5 Resident Engineer

About Acuative

Acuative is a global IT solutions provider committed to delivering top-tier managed services, managed solutions, and network infrastructure support. With a client-first mindset and a relentless drive for excellence, we empower organizations to scale securely and efficiently. Our success is powered by our people—we invest in our employees through continuous on-the-job training, mentorship, and assisted learning that helps to grow our teams. At Acuative, you'll find a collaborative environment built on professionalism, innovation, and the shared pursuit of achieving high results. Join us and help shape the future of IT.

Role Overview

The F5 Resident Engineer will be embedded within the client's cybersecurity team to enhance and manage
F5 Advanced Web Application Firewall (AWAF)
policies across the enterprise infrastructure. The role involves optimizing the organization's application security posture, fine-tuning configurations, integrating F5 systems with SIEM platforms, and providing continuous monitoring and policy optimization for web applications and APIs.

Key Responsibilities

Implementation & Configuration

• Install and configure F5 Viprion blades for performance enhancement.
• Create, manage, and optimize AWAF security policies for multiple business applications and digital platforms.

Security Policy Development

• Implement and maintain AWAF functions and protections including:
• Evasion techniques and Allowed HTTP Methods
• Attack Signatures (Medium/High Accuracy)
• Header length and Cookie compliance enforcement
• Malformed XML/JSON data handling
• IP Reputation and Geolocation enforcement
• File Type, Length, and Extension enforcement
• Modified ASM Cookies and User Session Tracking
• Session Hijacking Protection and Disallowed URLs

Monitoring & Integration

• Fine-tune AWAF logging configurations and ensure seamless integration with
  SIEM systems
  (e.g., Splunk).
• Continuously review, optimize, and enforce security policies based on live traffic analysis and learning mode insights.
• Test and validate ASM/AWAF functionality and generate periodic operational and security reports.

Compliance & Governance

• Ensure web application security configurations align with internal information security standards and regulatory requirements.
• Participate in regular security assessments, risk reviews, and configuration audits.
• Maintain accurate documentation for all configuration, tuning, and incident activities.

Knowledge Transfer & Collaboration

• Conduct training and handover sessions to internal security and network teams.
• Collaborate closely with application, SOC, and infrastructure teams to maintain optimal security posture.

Qualifications & Experience

• Bachelor's degree
  in Computer Science, Information Security, or related field.
• 5+ years of experience
  with F5 technologies, including AWAF/ASM and BIG-IP platforms.
• Proven hands-on expertise in application security, Layer 7 traffic inspection, and SIEM integrations (preferably Splunk).
• Strong knowledge of
  OWASP Top 10
  , WAF tuning, and SSL/TLS security.
• Scripting knowledge (Python, Bash, or iRules) is an advantage.
• F5 Certified Technology Specialist (F5-CTS: ASM/AWAF)
  or
  F5 Certified Solution Expert (F5-CSE)
  preferred.

Soft Skills

• Strong analytical and troubleshooting capabilities.
• Excellent communication, documentation, and collaboration skills.
• High attention to detail and a proactive security mindset.
• Ability to work independently within customer environments under minimal supervision

Equal Opportunity Statement

At Acuative, we believe our strength comes from our people—and that includes people from all backgrounds. We are proud to be an Equal Opportunity Employer, committed to creating a workplace where everyone feels valued, respected, and supported. Our inclusive culture encourages growth, creativity, and collaboration across all levels of the company. No matter who you are, if you're passionate about doing great work, you'll find a place with us.