What are the responsibilities and job description for the Principal Engineer (Hybrid) position at ISI Enterprises?
The Principal Engineer is a senior technical leader within the Engineering Department, reporting to the Sr. Director of Client Success. This role provides Tier 3 technical support, optimizes and implements the MSP/MSSP tool stack, and ensures high-performing infrastructure solutions for both internal and client environments.
The Principal Engineer collaborates with Cybersecurity, Compliance, and Program Management to ensure seamless execution of security, compliance, and project-driven initiatives.
Success in this role is measured by improvements in customer retention, profitability, and customer satisfaction, achieved through strong client communication, education, high-performing teams, and continuous optimization of engineering processes.
• Salary range: $120,000-$140,000, commensurate with experience.
• Comprehensive benefits package, including PTO and flexible scheduling.
• Hybrid work opportunities.
• Mentorship and training opportunities to support professional development and career growth.
About Industrial Security Integrators, LLC (IsI Enterprises)
IsI Enterprises is an equal opportunity employer committed to fostering diversity in the workplace. We believe in empowering a workforce that reflects a wide range of backgrounds, traditions, and experiences to strengthen our team and ensure innovation.
The Principal Engineer collaborates with Cybersecurity, Compliance, and Program Management to ensure seamless execution of security, compliance, and project-driven initiatives.
Success in this role is measured by improvements in customer retention, profitability, and customer satisfaction, achieved through strong client communication, education, high-performing teams, and continuous optimization of engineering processes.
Key Responsibilities
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.
Infrastructure & MSP/MSSP Tool Stack Management
- Architect, implement, and optimize MSP/MSSP tools (RMM, PSA, SIEM, EDR, DNS security, Backup, Email Security).
- Maintain high availability (99.99% uptime), performance, and redundancy of IT systems.
- Develop automation and monitoring strategies to enhance operational efficiency and reduce manual workloads.
Collaboration with Program Management
- Work closely with Program Management to provide technical insights, feasibility assessments, and resource requirements for projects.
- Support client onboarding and offboarding processes by ensuring smooth technical execution of system integrations, migrations, and decommissions.
- Assist in the technical execution of compliance readiness assessments and hardening initiatives, ensuring security measures align with project goals.
Collaboration with Cybersecurity & Compliance
- Align engineering security configurations with NIST 800-171, CMMC, and FedRAMP standards, under the guidance of the VP of Cybersecurity.
- Ensure technical compliance for audits, supporting the VP of Compliance in audit preparation and control validation.
- Support the security tool stack implementation while Cybersecurity defines policies and risk strategies.
Client Education & Communication
- Partner with the Director of Client Success 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.
Mentorship & Continuous Improvement
- Develop documentation, playbooks, and SOPs to enhance knowledge-sharing and reduce escalations.
- Mentor and coach junior engineers, improving technical proficiency across support tiers.
- Continuously refine engineering processes to drive scalability, efficiency, and cost reduction.
Qualifications
- Must be authorized to work in the US without sponsorship
- 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.
- Expert knowledge of cloud platforms (Microsoft Azure, AWS, Google Cloud) and hybrid infrastructure.
- Strong expertise in networking (firewalls, VPNs, SD-WAN, SASE), Windows/Linux environments, virtualization, and automation (PowerShell, Python, Ansible).
- Hands-on experience with security tools such as EDR, SIEM, IDS/IPS, and MFA solutions.
- In-depth understanding of NIST 800-171, CMMC, FedRAMP, and DoD security frameworks.
- Advanced certifications preferred: CISSP, CCNP, Azure Solutions Architect, AWS Certified Solutions Architect, CISM, or equivalent.
- Exceptional problem-solving skills, analytical mindset, and ability to lead high-impact technical projects.
• Salary range: $120,000-$140,000, commensurate with experience.
• Comprehensive benefits package, including PTO and flexible scheduling.
• Hybrid work opportunities.
• Mentorship and training opportunities to support professional development and career growth.
About Industrial Security Integrators, LLC (IsI Enterprises)
IsI Enterprises is an equal opportunity employer committed to fostering diversity in the workplace. We believe in empowering a workforce that reflects a wide range of backgrounds, traditions, and experiences to strengthen our team and ensure innovation.
Salary : $120,000 - $140,000
