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Senior Cloud & Infrastructure Engineer
Senior Cloud & Infrastructure EngineerISI Enterprises • Herndon, VA, US
Senior Cloud & Infrastructure Engineer

Senior Cloud & Infrastructure Engineer

ISI Enterprises • Herndon, VA, US
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Job Description

Job Description

The Senior Cloud and Infrastructure Engineer is a technical leader within the Engineering Department, reporting to the Sr. Director of Client Success.  This role is responsible for technical execution, optimization, and automation of hybrid cloud, infrastructure, and MSP / MSSP tool stack solutions, ensuring high availability, security, and operational efficiency across both internal and client environments.

This position is collaborative with Cybersecurity, Compliance, and Program Management teams to ensure that infrastructure solutions align with security frameworks, operational best practices, and client needs.

Success in this role is measured by improvements in customer retention, profitability, and customer satisfaction, achieved through strong client communication, high-performing teams, automation, and technical mentorship.

Key Responsibilities

Cloud & Infrastructure Engineering

  • Design, implement, and optimize hybrid cloud environments (Azure, AWS, GCC / GCC High) with a focus on automation, scalability, and performance.
  • Develop and implement automation strategies (PowerShell, Python, Ansible) to streamline provisioning, monitoring, and system management.
  • Maintain 99.99% uptime and high availability through proactive infrastructure monitoring, redundancy strategies, and disaster recovery planning.
  • Ensure compliance with NIST 800-171, CMMC, and FedRAMP, partnering with Cybersecurity & Compliance teams.

Technical Leadership & Tier 3 Support

  • Act as the highest-level technical escalation point for engineering-related client and internal issues.
  • Lead technical troubleshooting, root cause analysis, and proactive problem resolution.
  • Ensure clear, client-friendly communication of technical solutions to enhance customer trust and satisfaction.

    • Collaboration & Cross-Department Support

  • Partner with Program Management (PMO) to execute client onboarding / offboarding and compliance readiness projects, ensuring technical feasibility and smooth transitions.
  • Work with Cybersecurity to align cloud and infrastructure security with NIST 800-171, CMMC, and FedRAMP standards. (Security implementation is managed by the Cybersecurity team.)
  • Support Compliance teams in audits by ensuring technical configurations meet compliance requirements.
  • Collaborate with Account Management & Client Success to educate clients on infrastructure modernization, automation, and cloud strategy improvements.

    • Operational Maturity & Continuous Improvement

  • Support the MSP Customer Success Managers to educate clients on infrastructure improvements, security hardening, and IT best practices.
  • Provide technical insights during project meetings and business reviews to ensure client expectations are met.
  • Enhance customer satisfaction by ensuring clear, structured technical communication.
  • Conduct knowledge-sharing sessions for Tier 1 & Tier 2 engineers, reducing Tier 3 escalations and improving team expertise.

    • Qualifications

    This position requires applicants to have current, interim eligibility or previous security clearance .

  • Candidates must have held or currently hold a clearance, or have documented eligibility based on a favorable background investigation.
  • Interim clearances will be accepted for consideration.
  • All clearances are encouraged to apply.
  • U.S. citizenship is required by federal regulation.
  • Applicants without any of the above  will not be considered at this time due to contract requirements.
  • Bachelor’s degree in computer science, Information Technology, or related field (or equivalent experience).
  • 6+ years of experience in IT engineering, with a focus on MSP / MSSP environments.
  • Strong expertise in Microsoft Azure (GCC / GCC High preferred), AWS, and hybrid cloud architectures.
  • Mac and Google Workspace experience a must
  • Advanced knowledge of networking (firewalls, VPNs, SD-WAN, SASE), Windows / Linux infrastructure, and virtualization technologies.
  • Hands-on experience with automation / scripting (PowerShell, Python, Ansible) to optimize deployments and system management.
  • Proficiency in infrastructure monitoring, performance tuning, and high-availability designs.
  • Strong understanding of MSP / MSSP tool stack management (RMM, PSA, SIEM, EDR, Email Security, Backup solutions).
  • Ability to collaborate with security teams, ensuring infrastructure aligns with security and compliance standards (NIST 800-171, CMMC, FedRAMP).
  • Strong problem-solving skills and technical leadership experience, mentoring junior engineers and driving automation initiatives.

    • What we offer :

  • The salary range for this role is $100,000-$115,000, commensurate with experience
  • Hybrid work - 2 days in office (Herndon, VA)
  • A competitive salary and benefits package
  • A casual, friendly, and relaxed work environment
  • Professional growth encouragement and support

    • Industrial Security Integrators, LLC (“IsI”) is an equal opportunity employer committed to affirmative action and diversity in the workplace. It is the policy of IsI to provide Equal Employment Opportunities (EEO) to Employees and Applicants, without regard to race, color, religion, sex, age, marital status, citizenship status, national origin, sexual orientation, gender identity, veteran status or disability or any other factor protected by law and to provide advancement opportunities for minorities, women, disabled individuals, and veterans. IsI is stronger and more effective when our workforce includes highly qualified individuals with diverse backgrounds, cultures, and traditions.

    IsI Enterprises does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies in response to job postings or otherwise. Placement fees will not be paid to any recruiter unless IsI has an active agreement in place with the recruiter and such a request has been made by the IsI hiring team and such candidate was submitted to the IsI hiring team via our Applicant Tracking System. Any unsolicited resumes or other data submitted to IsI in violation of this policy may be used by IsI without obligation to pay any fees of any kind to the recruiter.

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    Cloud Infrastructure Engineer • Herndon, VA, US