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Posted May 12, 2026

**Experienced Full Stack Senior Infrastructure Engineer – Data Center Operations and Cloud Security**

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**Join arenaflex, a leading financial services company, in shaping the future of data center operations and cloud security.** Are you a seasoned infrastructure engineer with a passion for innovation and a drive to deliver exceptional results? Do you thrive in a fast-paced, dynamic environment where no two days are the same? Look no further! arenaflex is seeking an experienced Full Stack Senior Infrastructure Engineer to join our team in California. **About arenaflex** arenaflex is a forward-thinking financial services company that's committed to innovation, diversity, and inclusion. We're dedicated to building strong relationships with our clients, employees, and communities, while maintaining a culture that's grounded in moderation and compliance. Our team is passionate about delivering exceptional results, and we're looking for like-minded individuals to join us on this journey. **Job Summary** As a Senior Infrastructure Engineer, you'll play a critical role in designing, building, and maintaining our data center infrastructure. You'll be responsible for leading or participating in high-level technical discussions, developing complex infrastructure frameworks, and driving solutions to reduce recovery time. You'll also be responsible for auditing and analyzing solutions for cloud security, privileged access management, and key rotation. **Key Responsibilities** * Lead or participate in high-level technical discussions covering innovation and business * Develop specifications for complex infrastructure frameworks, design and test solutions * Contribute to the testing of business, application, and technical system requirements * Drive solutions to reduce recovery time * Audit and analyze solutions for cloud security, privileged access management, and key rotation * Configure, code, test, troubleshoot, and report programs using Agile development practices * Plan complex system upgrades * Resolve complex patterns as they arise * Develop a long-term plan to resolve issues and prevent them from recurring * Direct the daily risk and control stream of tasks, focusing on approaches, techniques, and work guidelines to ensure a positive outcome * Collaborate and communicate with peers, partners, and executives to resolve issues and achieve objectives **Required Capabilities** * 4+ years of experience in Infrastructure Designing and Solutions, or equivalent demonstrated through work experience, training, military experience, or education * 4+ years of experience in data center operations * Experience supporting infrastructure at an enterprise level * Familiarity with server, storage, network, and organization equipment * Familiarity with Layer 1 Network Design * Broad knowledge of data center operations (space, power, cooling, and network) * In-depth knowledge and understanding of IPv4 and IPv6 subnetting and VLAN advancements to perform FQDN generation and tasks * Ability to communicate effectively at different levels of the business and technical organizations, including executive * Excellent verbal, written, and interpersonal skills * Precise attention to detail and strong organizational skills * Strong analytical and problem-solving skills **Desirable Capabilities** * Experience with cloud infrastructure and security * Familiarity with Agile development methodologies * Experience with DevOps practices * Knowledge of containerization and orchestration tools * Experience with automation and scripting languages * Familiarity with IT service management frameworks **Work Assumptions** * Ability to work extended hours, including nights, weekends, and holidays as needed * Adaptability to work in a 24/7 environment * Ability to lift 50+ pounds * This position is not eligible for visa sponsorship **Work Environment and Culture** arenaflex is committed to creating a work environment that's inclusive, diverse, and respectful. We believe in building strong relationships with our employees, clients, and communities, while maintaining a culture that's grounded in moderation and compliance. Our team is passionate about delivering exceptional results, and we're looking for like-minded individuals to join us on this journey. **Compensation and Benefits** arenaflex offers a competitive salary and benefits package, including: * Competitive salary range: $70-$80/hour * Comprehensive health insurance * 401(k) matching program * Paid time off and holidays * Professional development opportunities * Collaborative and dynamic work environment **How to Apply** If you're a motivated and experienced infrastructure engineer looking for a new challenge, we encourage you to apply for this exciting opportunity. Please submit your application, including your resume, cover letter, and any relevant documentation, through our online portal. Apply Now! **Equal Employment Opportunity** arenaflex is an equal employment opportunity employer and welcomes applications from all qualified candidates, regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or any other protected characteristic. We are committed to creating a diverse and inclusive work environment that reflects the communities we serve. **Accommodations for Candidates with Disabilities** arenaflex is committed to providing accommodations for candidates with disabilities. If you require accommodations during the application or screening process, please contact our Disability Accommodations team at [insert contact information]. **Document Requirements** * Required documents for this recruitment: + Qualifications certificate with mark sheets + Passport-size photographs + Signature **Top 10 Interview Questions** * Can you tell us about yourself? * What interests you about this position? * What are your strengths? * What are your weaknesses? * Can you give an example of a time when you solved a problem creatively? * How do you handle stress and pressure? * How would you describe your work style? * Can you tell us about a time when you had to work with a difficult colleague or supervisor? * How do you stay organized and prioritize tasks? * What are your long-term career goals? We look forward to hearing from you! Apply for this job