Sr Backend Developer (DevOps)

Senior Network Security Engineer

Oracle Cloud Infrastructure (OCI) is seeking an accomplished Senior Network Security Engineer to drive the design, implementation, and operational excellence of critical infrastructure components underpinning OCI's DDOS protection and network security. In this role, you will leverage deep technical expertise to deliver secure and resilient solutions in a complex, globally distributed environment. This individual contributor position requires a forward-thinking problem solver with robust knowledge of network security, cloud architecture, and infrastructure automation. As a Senior Network Security Engineer, you will participate in the end-to-end lifecycle of networking security projects within the OCI Network Security Organization. You will collaborate across multidisciplinary teams to ensure projects align with broader organizational goals, focusing on long-term stability, scalability, and security of the networking infrastructure. Your technical expertise will be demonstrated through technical excellence, mentorship, and continual pursuit of innovation and best practices. You will also work to enhance the team's technical knowledge base, leading by example in staying current with emerging DDOS, networking and security technologies. Your input will be key in maintaining engineering standards and continuously improving operational processes to raise the bar on security, performance, and reliability. Your solutions and collaboration with other OCI teams will directly impact OCI's ability to deliver secure, highly available, and performant networking services to Oracle's global customer base.

Responsibilities

• Design, implement, and operate secure infrastructure services for DDoS mitigation and Network Security.
• Develop Python-based automation tools for network and security operations at scale.
• Contribute to architectural decisions, proactively identify risks, and provide mitigations for the security of OCI's global network.
• Conduct security reviews, vulnerability assessments, and performance testing for critical infrastructure changes.
• Continually evaluate and integrate emerging networking and security best practices.
• Monitor and report on key performance indicators (KPIs) for network health and security posture.
• Produce technical documentation, conduct incident response, and provide mentorship to junior engineers.

Qualifications

3-7 years of experience in network security engineering within large-scale, cloud, or internet service provider environments.

Demonstrable expertise in networking protocols (BGP, TCP, IPv4, IPv6, DNS, DHCP, MPLS).

Demonstrable understanding of IP routing.

Hands-on experience with large-scale DDoS protection technologies, data flow, and telemetry systems.

Advanced knowledge of network security architecture, performance characterization, and hands-on systems testing.

Proficiency in Python automation for infrastructure development and deployment.

Exceptional troubleshooting skills and experience with security incident response.

Excellent written and verbal communication skills, with experience producing technical documentation and contributing to cross-functional initiatives.

Disclaimer : Certain US customer or client-facing roles may be required to comply with applicable requirements, such as immunization and occupational health mandates.

Range and benefit information provided in this posting are specific to the stated locations only US : Hiring Range in USD from : $79,200 to $178,100 per annum. May be eligible for bonus and equity.

Oracle US offers a comprehensive benefits package which includes the following :

1. Medical, dental, and vision insurance, including expert medical opinion

2. Short term disability and long term disability

3. Life insurance and AD&D

4. Supplemental life insurance (Employee / Spouse / Child)

5. Health care and dependent care Flexible Spending Accounts

6. Pre-tax commuter and parking benefits

7. 401(k) Savings and Investment Plan with company match

8. Paid time off : Flexible Vacation is provided to all eligible employees assigned to a salaried (non-overtime eligible) position. Accrued Vacation is provided to all other employees eligible for vacation benefits. For employees working at least 35 hours per week, the vacation accrual rate is 13 days annually for the first three years of employment and 18 days annually for subsequent years of employment. Vacation accrual is prorated for employees working between 20 and 34 hours per week.

9. 11 paid holidays

10. Paid sick leave : 72 hours of paid sick leave upon date of hire. Refreshes each calendar year. Unused balance will carry over each year up to a maximum cap of 112 hours.

11. Paid parental leave

12. Adoption assistance

13. Employee Stock Purchase Plan

14. Financial planning and group legal

15. Voluntary benefits including auto, homeowner and pet insurance

The role will generally accept applications for at least three calendar days from the posting date or as long as the job remains posted.

Career Level - IC3

About Us

As a world leader in cloud solutions, Oracle uses tomorrow's technology to tackle today's challenges. We've partnered with industry-leaders in almost every sectorand continue to thrive after 40+ years of change by operating with integrity. We know that true innovation starts when everyone is empowered to contribute. That's why we're committed to growing an inclusive workforce that promotes opportunities for all. Oracle careers open the door to global opportunities where work-life balance flourishes. We offer competitive benefits based on parity and consistency and support our people with flexible medical, life insurance, and retirement options. We also encourage employees to give back to their communities through our volunteer programs. We're committed to including people with disabilities at all stages of the employment process. If you require accessibility assistance or accommodation for a disability at any point, let us know by emailing accommodation-request_mb@ or by calling +1 888 404 2494 in the United States. Oracle is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans' status, or any other characteristic protected by law. Oracle will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.