Question
Full Time
5-10

Senior Systems Engineer

4/2/2026

The Senior Systems Engineer is responsible for strategically leading the definition, implementation, and maintenance of best practices across AWS and Microsoft 365 environments. This role involves proactive problem management, root cause analysis, and driving continuous improvement initiatives to ensure high levels of reliability and security.

Working Hours

40 hours/week

Company Size

1,001-5,000 employees

Language

English

Visa Sponsorship

No

About The Company
Suntex Marinas engages in the ownership and management of marina properties. The executive officers at Suntex have over 100 years combined experience investing in, acquiring, and managing marinas. Suntex owns and operates 95 marina properties in the United States, leveraging its ownership and management platforms to provide leadership within the marina sector and to acquire institutional quality marinas to enhance customer experience. Suntex prides itself on a growing reputation in the marina industry for its commitment to superior customer service, experienced marina managers and staff, conscious contributions to marina communities and expansive enthusiasm for creating memorable experiences on the water. www.suntex.com
About the Role


JOB POSTING
(Exempt)

JOB TITLE: Senior Systems Engineer[JS1] 

DEPARTMENT: Information Technology 

LOCATION: Home Office    

REPORTS TO: Infrastructure Manager

 

POSITION PURPOSE:

The Senior Systems Engineer is responsible for strategically leading the definition, implementation, and maintenance of best practices and robust strategies across our critical AWS and Microsoft 365 environments, encompassing security, compliance, user support, and ServiceNow integration. This role involves proactive problem management, root cause analysis, and the implementation of preventative measures to ensure the highest levels of reliability, security, and performance. The Senior System Engineer will drive continuous improvement initiatives, provide expert-level support and guidance, and educate technical teams on new cloud-based strategies and technologies. This position demands exceptional problem-solving, leadership, and communication skills to optimize our cloud infrastructure, identity management systems, and service management platform, directly impacting business productivity and efficiency.

 

DUTIES AND RESPONSIBILITIES:

  • Define, document, and teach[JS2]  best practices and strategies regarding AWS infrastructure maintenance, server and cloud environments.
  • Recommend improvements, administers, and maintains Microsoft 365 services (user management, licensing, security, core applications).
  • Manages security and compliance within the M365 environment (policies, threat monitoring, DLP).
  • Identifies, troubleshoots, and resolves technical issues related to Microsoft 365 services.
  • Plans, implements, and migrates to new M365 features and services.
  • Creates documentation, provides training, and drives continuous improvement of the M365 environment.
  • Improves and manages endpoint security and configuration via Microsoft Intune (enrollment, compliance, app deployment).
  • Implements and manages MDM/MAM policies for secure mobile device and application access.
  • Manages and maintains the Okta identity and access management platform (user provisioning, SSO, MFA, security policies).
  • Manage and improve cloud environment in accordance with company security guidelines
  • Assist network team with administration of Meraki network infrastructure
  • Troubleshoot incidents, identify root causes, fix and document problems, and implement preventive measures
  • Educate teams on the implementation of new cloud-based initiatives, providing associated training when necessary
  • Demonstrate exceptional problem-solving skills, with an ability to see and solve issues to minimize effect on business productivity
  • Asset management best practices 
  • Occasional travel may be necessary
  • Provides expert direction for the use and configuration of our tools

 

QUALIFICATIONS, KNOWLEDGE, AND SKILLS

  • Five or more years of experience administering Office 365, Windows Server (2016, 2022, 2025), Group Policy, and Active Directory
  • Five or more years of experience with patching/deployment
  • Five or more years of experience in designing, developing, and implementing cloud solutions on AWS platforms[JS3] 
  • Knowledge of web service APIs; REST, SOAP, and RPC or similar
  • Requires excellent people skills
  • Requires excellent verbal and written communication skills
  • Expert knowledge of M365, Microsoft operating systems, AWS, networking equipment, firewalls, virtual private networks, and wireless access points
  • Expert knowledge of networking technologies and Meraki administration[JS4] [HJ5] 
  • Experience in maintaining and troubleshooting networks, integrated systems, and desktop hardware
  • Understanding of web-related terminologies and software such as web applications, web related protocols, service-oriented architectures, and web services(IIS).
  • Cloudflare DNS management
  • Knowledge of computer forensic tools, data loss prevention methods, and disaster recovery methods is a plus
  • General experience with MSSQL database administration
  • Experience with ServiceNow or another similar tool a plus 
  • AWS, AZ Foundational+, MS Foundational+ certifications, GCP certification
  • Network+, CCNA, or other networking certs a plus
  • CySA, Security+ or other cyber security certs a plus[JS6] [HJ7] 

 

WORKING CONDITIONS/PHYSICAL REQUIREMENTS:

  • This is a hybrid position, with a minimum of 3 days a week at the home office (Dallas, TX).
  • Must be able to independently move objects up to thirty 50 pounds 
  • Must be able to operate general computer equipment including laptop, keyboard, and mouse with ease
  • Must be able to sit for extended periods of time at a desk setting

 

 

STATEMENT OF PURPOSE

This document provides descriptive information about the above Suntex Marinas position. Work actually performed by incumbents in this position may vary. Although this document may be used for recruiting, staffing, or career planning, the information contained herein should only be used as a guideline or recommendation for the content of and qualifications for this position. An individual’s ability to meet the qualifications and capabilities described in this document is not a guarantee of employment or promotion. Suntex Marinas reserves the right to make changes to this document as deemed necessary without providing advance written notice.  

 

Suntex Marinas provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, marital status, veteran status, or any other consideration made unlawful by federal, state, or local laws. Suntex Marinas is committed to providing reasonable accommodation for qualified applicants, and employees with disabilities to ensure they enjoy equal access to all employment opportunities and benefits of employment as required by the Americans with Disabilities Act. 




Key Skills
AWSMicrosoft 365Windows ServerActive DirectoryGroup PolicyOktaMicrosoft IntuneMerakiServiceNowCloud InfrastructureIdentity ManagementRoot Cause AnalysisNetwork AdministrationSecurity ComplianceEndpoint SecuritySystem Troubleshooting
Categories
TechnologySoftwareSecurity & SafetyEngineering
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