Senior Systems Engineer (Principal-Level)
ECLARO
Aurora, CO
Job Number: 26-00467
Use your skills where innovative technology solutions begin. ECLARO is looking for a Senior Systems Engineer (Principal Level) for our client in Aurora, CO.
ECLARO’s client is a leading technology solutions provider, collaborating with customers to manage their needs and achieve success in their business goals. If you’re up to the challenge, then take a chance at this rewarding opportunity!
Position Overview:
- Seeking a very Senior, Hands-on Senior Systems Engineer for a contract engagement to provide deep technical expertise across core enterprise infrastructure.
- This role is designed for a seasoned individual contributor who can quickly assess complex environments, architect practical solutions, and resolve high-impact issues with minimal ramp-up.
- This is not a junior augmentation role.
- Will be brought in as a trusted technical authority to stabilize, improve, and guide critical systems.
- Will mentor and train the current system administrators on the existing technologies.
Responsibilities:
- Advanced Systems Engineering & Architecture:
- Serve as a senior technical expert across enterprise Microsoft and infrastructure platforms.
- Design, assess, and improve architectures involving:
- Microsoft 365 (Exchange, Entra ID / Azure AD, Teams, SharePoint).
- Active Directory (on-prem and hybrid).
- DNS, identity, and authentication services.
- Windows Server platforms.
- VMware virtualization environments.
- Enterprise storage systems (SAN / NAS).
- Identify architectural risks and recommend pragmatic, supportable improvements.
- High-Level Troubleshooting & Incident Resolution.
- Understand and document existing architecture; suggest improvements for efficiency and security.
- Act as an escalation point for complex, multi-layer infrastructure issues.
- Troubleshoot across OS, identity, virtualization, and storage layers.
- Perform root-cause analysis and implement durable fixes.
- Quickly stabilize environments experiencing reliability or performance challenges.
- Operational Impact:
- Improve documentation, standards, and operational consistency.
- Partner with internal teams (security, networking, cloud, application) to unblock progress.
- Transfer knowledge to internal staff as needed.
Required Skills:
- 10-15+ years of hands-on enterprise systems engineering experience.
- Deep, hands-on practical expertise in: Microsoft 365, Active Directory (design, replication, trusts, GPOs), DNS and identity services, Windows Server, VMware, Enterprise storage concepts and platforms.
- Proven ability to diagnose and resolve complex infrastructure issues quickly.
- Strong architectural judgment and systems thinking.
- Excellent communication skills; able to explain complex issues clearly.
- Comfortable operating independently with limited oversight.
- Principal- or lead-level individual contributor background.
- Has been "the escalation point” in prior environments.
- Thrives in ambiguous or high-pressure situations.
- Able to deliver value immediately in a contract setting.
If hired, you will enjoy the following ECLARO Benefits:
- 401k Retirement Savings Plan administered by Merrill Lynch
- Commuter Check Pretax Commuter Benefits
- Eligibility to purchase Medical, Dental & Vision Insurance through ECLARO
If interested, you may contact:
Greg Papalexis
Greg.Papalexis@eclaro.com
(646) 849-5359
LinkedIn | Greg Papalexis
Equal Opportunity Employer: ECLARO values diversity and does not discriminate based on Race, Color, Religion, Sex, Sexual Orientation, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status, in compliance with all applicable laws.
About the Company
ECLARO
Eclaro is a Business and Technology Consulting Firm that connects top talent with opportunities nationwide. We have direct access to Hiring Managers from leading Fortune 1000 organizations in almost every industry segment, with particular expertise in:
• Technology and Business Consulting
• Financial Services and Insurance
• Pharmaceuticals and Life Sciences
• Consumer Products, Public Sector, and Utilities
Eclaro provides fully customizable, comprehensive talent acquisition and management of seasoned professionals through a number of business models, including:
• Consulting
• Professional Hiring
• Global Integrated Delivery™
• Managed Services
Eclaro recruits and manages a staff of highly skilled individuals in an array of specialized disciplines enabling our clients to leverage new opportunities, respond to increased and changing demands, and increase their profitability.
Eclaro’s Management Team averages over 25 years of experience in partnering with clients in technical, corporate operations and human capital solutions. We hold ISO 9001:2008 certification and have achieved SOC 2 Type 2 certification in Security, Availability and Confidentiality. Eclaro’s decades of expertise and collaborative practice have proven that The Right People are The Answer.