Sr. Security Engineer with Kubernetes at F5 Networks · Bengaluru (Bangalore) · 5 - 10 years · Posted 7 Dec 2022

At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation.
Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.
F5 is looking for a Sr. Security Engineer with experience in building, integrating, operating, and maintaining robust security monitoring and auditing systems. F5’s Edge 2.0 platform provides global, scalable, and secure way to deploy applications. In this position, you will build and maintain monitoring and audit systems across the platform that provide necessary visibility and alerts to effectively defend the platform.
Responsibilities:
- Collaborate with software architects, security defenders, Operations, SRE, compliance experts, and business leaders to understand the logical boundaries of the systems and identify the events to monitor, audits to maintain, alerts to tweak, as well as systems to integrate with
- You will continuously hunt for areas and metrics to be added into monitoring systems for better operational visibility, incident response capability, availability, and forensics capability of the overall platform
- You will participate in the definition of processes around change and inventory management and develop solutions to audit the changes
- You will work with other teams within security organization to define communication and alerting protocols for effective and timely actions
- You will participate in defining and executing the Incident Response Plan for the platform and be responsible for providing necessary information during the response and forensics
- Demonstrate technical leadership in multiple domain areas, providing mentorship to other team members
Minimum qualifications:
- BS degree in Computer Science or equivalent with 5+ years of security operation and monitoring experience
- Experience with logging, monitoring, SIEM, dashboarding tools like AWS GuardDuty, Sumo, Grafana, SolarWinds, DataDog, Splunk, etc.
- Working knowledge of at least one Cloud Computing platform (e.g. Amazon AWS, Microsoft Azure, Google Compute etc.)
- Good understanding of how to handle logs from various systems, integrate with systems handling logs and metrics, how to setup and tune alerts based on thresholds and policies
- Hands on experience with computer programming languages and/or scripting languages such as Python, Java, Shell
- Good understanding of complexities and security challenges in large-scale distributed systems
- Working knowledge of Cloud orchestration systems such as Kubernetes, Openstack etc.
- Self-motivated and willing to delve into new areas and take on new challenges in an enthusiastic manner
- Excellent written and verbal communication skills
- Strong interpersonal, team building, and mentoring skills

About F5 Networks
About
F5 is an industry leader in Application Delivery Networking and Security, has over 8,000 employees worldwide At F5, we make apps faster, smarter, and safer…from anywhere. Come work within the F5 BIGIP Next Base Operating System team in an exciting, fast past environment charting the course for F5’s future. As a contributing member of the team, you will be integrated into cross functional working project teams in our Product Development organization. Build services that are performant, reliable, secure, and scalable within a company known for our excellent culture. If you enjoy providing quality solutions while keeping a focus on high availability, scalability, maintainability, and security then you are the Software Engineer that we would like to have join our team.
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A Senior Cybersecurity Engineer is responsible for safeguarding an organization’s IT infrastructure, applications, and data against cyber threats. With 5–10 years of experience, the role demands expertise in designing, implementing, and managing advanced security solutions, conducting risk assessments, and responding to incidents. Senior Engineers also mentor junior staff and contribute to strategic security planning.
Key Responsibilities
- Design, implement, and manage enterprise-level security solutions (firewalls, IDS/IPS, SIEM, endpoint protection).
- Conduct vulnerability assessments, penetration testing, and risk analysis.
- Monitor and respond to security incidents, ensuring timely resolution and documentation.
- Develop and enforce security policies, standards, and compliance frameworks (ISO 27001, NIST, GDPR).
- Collaborate with IT and business teams to integrate security into system architecture and processes.
- Lead incident response drills and disaster recovery planning.
- Provide guidance and mentorship to junior cybersecurity staff.
- Stay updated on emerging threats, tools, and technologies.
Qualifications
- Bachelor’s or Master’s degree in Computer Science, Information Security, or related field.
- 5–10 years of proven experience in cybersecurity engineering or related roles.
- Strong knowledge of network security, cloud security (AWS, Azure, GCP), and endpoint protection.
- Hands-on experience with SIEM tools (Splunk, QRadar, ArcSight), firewalls, and intrusion detection/prevention systems.
- Certifications such as CISSP, CISM, CEH, or OSCP are highly desirable.
Skills
- Advanced problem-solving and analytical skills.
- Strong communication and leadership abilities.
- Ability to manage complex projects and handle escalations effectively.
- Proactive mindset with adaptability to evolving cyber threats.
We are looking for a Cybersecurity Engineer to protect our systems, applications and data. You will find vulnerabilities, monitor threats and strengthen our overall security posture.
Responsibilities
- Run vulnerability assessments and penetration tests (VAPT) on web apps, APIs and networks
- Monitor and respond to security events using SIEM tools as part of SOC operations
- Test application security using Burp Suite and similar tools
- Support ISO 27001 compliance, audits and security policies
- Harden network infrastructure, firewalls and access controls
- Document findings and track fixes with engineering teams
Requirements
- 1+ years of experience in VAPT, SOC or security engineering
- Hands-on experience with Burp Suite and SIEM tools
- Knowledge of the OWASP Top 10 and network security fundamentals
- Exposure to ISO 27001 or similar frameworks
- Certifications such as CEH, OSCP or CompTIA Security+ are a plus
Role Overview
We are looking for an experienced Network Security Engineer to design, implement, maintain, and secure enterprise network infrastructure. The role requires a strong understanding of network security principles, hands-on experience with security technologies, and the ability to troubleshoot complex network and security issues.
The ideal candidate will work closely with network, infrastructure, cloud, application, and security teams to ensure secure, resilient, and highly available network environments. The candidate should be comfortable handling security incidents, performing root-cause analysis, implementing security controls, and contributing to continuous improvement of the organization's network security posture.
Key Responsibilities
- Design, implement, configure, and maintain enterprise network security infrastructure.
- Manage and support network security technologies including firewalls, VPNs, IDS/IPS, secure gateways, and network access controls.
- Configure and maintain security policies, access rules, NAT, VPN tunnels, and related network security controls.
- Monitor network traffic and security events to identify potential threats, anomalies, and unauthorized access.
- Troubleshoot complex network connectivity and security-related issues and perform root-cause analysis.
- Investigate and respond to network security incidents in coordination with security and infrastructure teams.
- Review firewall and network security rules regularly and ensure they follow established security standards and business requirements.
- Support secure connectivity across data centers, corporate networks, remote locations, cloud environments, and third-party networks.
- Participate in network security assessments, vulnerability remediation, and security hardening activities.
- Implement and maintain network segmentation and access-control mechanisms.
- Work with internal teams to assess security requirements for new applications, infrastructure, and network changes.
- Participate in change management, implementation, and post-change validation activities.
- Maintain network security documentation, architecture diagrams, configurations, and operational procedures.
- Contribute to security improvement initiatives, automation, standardization, and operational efficiency.
- Work with vendors and technology partners for issue resolution, upgrades, and technical escalations.
- Ensure network security operations align with organizational policies, industry standards, and compliance requirements.
Required Skills
- Strong experience in network security engineering and enterprise networking.
- Good understanding of TCP/IP, DNS, DHCP, HTTP/HTTPS, routing, switching, VLANs, and network protocols.
- Hands-on experience with enterprise firewalls and security gateways.
- Strong understanding of VPN technologies, IPsec, SSL/TLS, NAT, and access-control policies.
- Experience with IDS/IPS, network monitoring, traffic analysis, and security event investigation.
- Experience troubleshooting network and security issues across complex environments.
- Good understanding of network security architecture, segmentation, and secure connectivity.
- Experience with incident management, change management, and root-cause analysis.
- Familiarity with security best practices, vulnerability management, and network hardening.
- Strong analytical, troubleshooting, and problem-solving skills.
- Good written and verbal communication skills with the ability to work effectively with technical and non-technical stakeholders.
Preferred Skills
- Experience with security technologies from vendors such as Palo Alto, Fortinet, Cisco, Check Point, or similar.
- Exposure to cloud networking and cloud security across AWS, Azure, or GCP.
- Knowledge of Zero Trust, SASE, SD-WAN, or network access control concepts.
- Experience with security monitoring/SIEM platforms.
- Exposure to scripting or automation using Python, PowerShell, or similar technologies.
- Relevant certifications such as CCNA/CCNP Security, PCNSE, Fortinet certifications, or equivalent are an advantage.
Key Competencies
- Network Security Engineering
- Enterprise Network Troubleshooting
- Firewall & VPN Management
- Security Incident Handling
- Network Monitoring & Analysis
- Security Hardening
- Root-Cause Analysis
- Risk & Vulnerability Awareness
- Change & Configuration Management
- Stakeholder Communication
- Problem Solving
- Documentation & Process Discipline
The Security Analyst assists the Data Security team to help ensure the security of the company and its clients. Looking for immediate joiners.
KEY RESPONSIBILITIES
All employees are expected to use good business judgment and appropriate discretion and decision making while performing responsibilities of the position, and to incorporate EVA’s Core Beliefs in their daily work.
- Performs daily health checks as documented by the IT Security team.
- Supports the Security team by documenting and performing support tasks.
- Participates in change management, incident management, audit and business continuity processes.
- Plans and implements security policies and procedures to protect computer systems, networks and data from unauthorized access.
- Participates in internal and external compliance (SOC 2) audits.
- Recommends security enhancements.
Job specifics:
- Familiarity with standard security concepts, practices and procedures.
- Knowledge of Windows operating systems.
- Strong Documentation, communication skills and attention to detail.
- Able to work independently and as a part of a team to deliver completed projects on-time.
- Identifies ways to continuously improve own and/or company performance.
- Knowledge of security toolsets
- Knowledge of compliance activities (GDPR, SOC 2, ISO:27001).
- Knowledge of database security.
- Knowledge of SIEM technology and security event correlation and monitoring.
- Experience with AWS.
- Proficient with computer software including Salesforce
EDUCATION & EXPERIENCE
- Bachelor’s Degree in computer science, mathematics, Information Systems or equivalent experience preferred.
- Minimum of 3 years of hands-on IT Security & Audit experience.
- Professional IT Security Certifications are strongly preferred, such as Security+, CISSP, CISM, CISA, GSEC, etc.






