Senior Infrastructure and Security Engineer

Senior Infrastructure and Security Engineer Join a global team where you'll combine cloud infrastructure and cybersecurity expertise to protect, modernize, and scale a Microsoft-first environment. HKA is a global leader in risk mitigation, dispute resolution, and expert witness services. We tackle complex challenges with our multi-disciplinary expertise. As trusted consultants and advisors, we deliver solutions in uncertain and disputed situations, ensuring the best outcomes for clients worldwide. Our experts have testified globally on major cases spanning across a wide range of industries and sectors. As part of the HKA team you can expect: A strong collaborative culture with a mutual pursuit of your success alongside the success of our teams. Autonomy to solve problems creatively, contribute to our innovative direction, and be valued as an individual The opportunity to work on enterprise-scale infrastructure and cybersecurity initiatives, leveraging modern cloud and security technologies while helping shape HKA's global IT strategy. The Opportunity HKA's Global IT team is looking for a Senior Infrastructure and Security Engineer to play a key role in strengthening and evolving our enterprise security and cloud infrastructure. This position will be based in the USA, reports to our Infrastructure Services Manager who is based in the UK and be part of an international team with colleagues across the globe including USA, UK, South Africa, Australia and more. The role also offers the opportunity to work with leading Microsoft technologies including Azure, Entra ID, Defender, Sentinel, Purview, and Intune while helping drive Zero Trust adoption and cybersecurity best practices . You'll have a direct impact on the security, resilience, and performance of systems that support colleagues and clients around the world. If you enjoy solving complex technical challenges and influencing security strategy in a global environment, this role offers both technical depth and visibility. This is a hybrid role with ideal locations of Phoenix, AZ or Las Vegas, NV. Responsibilities Infrastructure & Cloud Operations Manage and optimize Azure environments, ensuring high availability, performance, scalability, and cost efficiency. Maintain Azure infrastructure services including virtual machines, networking, storage, and identity management. Monitor system performance and availability using Azure Monitor, Log Analytics, and related monitoring tools. Support incident response, root cause analysis, and continuous service improvement initiatives. Security Engineering & Identity Management Administer and enhance Microsoft security technologies including Defender, Sentinel, Entra ID, Purview, and Intune. Manage identity and access management controls, including conditional access policies and identity protection. Implement and support Zero Trust security principles and architectures. Establish continuous verification, risk-based access controls, least-privilege access models, and just-in-time administration. Perform security reviews of new technologies, infrastructure changes, and architectural designs. Security Operations & Risk Management Collaborate with Security Operations teams to monitor, investigate, and respond to cybersecurity incidents. Lead technical response activities for security events when required. Conduct threat modeling, security assessments, and risk evaluations. Perform regular security posture reviews and develop remediation plans to reduce organizational risk. Track and support risk reduction initiatives across the enterprise. Governance & Compliance Support alignment with industry security frameworks and regulatory requirements, including ISO 27001, NIST CSF, NIST 800-171, CMMC, HIPAA, and Cyber Essentials. Promote security best practices and contribute to the continuous improvement of cybersecurity standards and processes. Ensure infrastructure and security solutions align with business requirements and operational objectives. Qualifications and Experience Required U.S. citizenship required due to access requirements for client systems and Microsoft GCC High environments. 7+ years of infrastructure engineering experience , with a strong focus on Microsoft technologies. 5+ years of hands-on cybersecurity experience within Microsoft cloud and security environments. Strong communication with high emotional intelligence , including the ability to understand audience, context, and impact to effectively communicate to a wide variety of audiences. Strong experience with Azure services , including infrastructure, networking, storage, and identity management. Experience implementing and supporting Zero Trust security architectures. Deep understanding of identity and access management, authentication, authorization, and privileged access controls. Experience managing enterprise cloud security programs and security initiatives. Knowledge of infrastructure security principles , including endpoint security, encryption, identity protection, and threat mitigation. Experience with automation and scripting using PowerShell and/or Azure CLI. Strong analytical, troubleshooting, and incident response skills. Relevant Microsoft certifications include: Azure Administrator Associate (AZ-104) Azure Solutions Architect Expert (AZ-305) Azure Security Engineer Associate (AZ-500) Cybersecurity Architect Expert (SC-100) Identity and Access Administrator Associate (SC-300) Preferred Experience supporting global or multi-region enterprise environments. Experience with Microsoft Defender XDR, Sentinel, Purview, and Intune in large-scale environments. Experience conducting threat modeling, security architecture reviews, and risk assessments. Familiarity with security and compliance frameworks including ISO 27001, NIST CSF, NIST 800-171, CMMC, HIPAA, and Cyber Essentials. Experience leading major infrastructure, security, or cloud transformation initiatives. Knowledge of cloud governance, security automation, and infrastructure-as-code practices. Strong understanding of modern cybersecurity threats, trends, and industry best practices. Compensation HKA offers an annual salary range of $110,000 to $140,000 , along with a competitive benefits package designed to support your health, financial well-being, and work-life balance. Benefits include medical, dental, and vision coverage, a 401(k) plan with company match , 20 days of paid time off plus additional company holidays and wellness time , performance bonus opportunities, and access to robust training, professional development, and career advancement programs across our global organization. At HKA we recognize that our people are critical to our ongoing success. Our priority is to provide an inclusive and collaborative culture aimed at providing the best opportunities for our people to thrive and develop in their chosen career path. Our Global Recruitment team is committed to providing an authentic candidate experience for all those who take the time to apply to HKA. We are committed to providing an efficient and insightful recruitment process giving candidates a true reflection of life at HKA. Fairness and Equality at HKA: HKA works hard to provide a welcoming environment for all of our employees. We are committed as a business on the continued improvement of our fairness and equality strategy. Please visit our careers page for further information or feel free to ask our recruitment team for further information. All HKA employment decisions shall be made in accordance with controlling laws and based on merit. Stay Alert: Protect Yourself from Phishing Scams Please be aware that HKA only publishes official job postings on our website ( Join Us | HKA ) and on verified job boards. We will never ask for sensitive personal information during the job application process. If you have any doubts, we recommend you visit our website to verify job listings before applying. If you would like more confirmation, please feel free to email us at [email protected] to check the authenticity of a job posting. Department IT Locations Phoenix, AZ, Las Vegas, NV Remote status Hybrid Employment type Full-time About HKA HKA is one of the world’s leading consultancy of choice for multi-disciplinary expert and specialist services in risk mitigation and dispute resolution within the capital projects and infrastructure sector. We also have experience advising clients on the economic impact of commercial and investment treaty disputes and in forensic accounting matters. As trusted independent consultants, experts and advisors, we deliver solutions amid uncertainty, dispute and overrun, and provide the insights that make the best possible outcomes a reality for public and private sector clients worldwide.