Tier III System Engineer

OverviewSilotech Group provides Advanced Cyber Solutions, Intelligence Solutions, Enterprise/Cloud IT Services and Products, and Managed IT/Security Services to Federal, State, and Commercial clients. We provide Federal Government and Commercial clients with customized, agile technical solutions focused on data, enterprise platforms, service engagement, and customer workforce development through trust-driven and collaborative relationships. Our vision is to help customers achieve their most challenging goals by unifying innovation, integrity, and exemplary services and products.The Tier III System Engineer is a pivotal technical role responsible for resolving the most complex escalated issues from our help desk, providing expert pre-sales consultation, and leading critical implementation projects. This individual will serve as the final point of escalation within the support structure and must possess deep, practical knowledge across network infrastructure, cloud platforms, and security frameworks. The ideal candidate is a self-starter who thrives in a fast-paced environment, enjoys variety, and is committed to delivering elegant solutions to challenging problems. This role is a hybrid position combining advanced technical support with pre-sales solution design. The individual will serve as a Tier 3 escalation point for complex technical issues while also partnering with the sales team to design and present IT solutions to prospective and existing clients.LocationSan Antonio, TX (onsite)Clearance RequirementsNAEssential Role and ResponsibilitiesTechnical Escalation & Advanced SupportAct as the ultimate escalation point for Tier 1 and Tier 2 technicians for advanced network, server, and security incidents.Perform root cause analysis for major service interruptions and implement permanent corrective actions.Administer and troubleshoot complex environments including Microsoft 365, Azure AD, and Azure IaaS.Manage and maintain core network infrastructure (switches, routers, firewalls, wireless systems).Develop and document advanced troubleshooting procedures and knowledge base articles for the team.Project Engineering & ImplementationLead the technical execution of client projects, including network upgrades, cloud migrations, and security hardening initiatives.Create detailed implementation plans, change requests, and post-project documentation.Configure and deploy new hardware and software solutions according to best practices and client specifications.Some travel to client sites is required for project work and complex onsite troubleshooting.Pre-Sales Consultation & Solution DesignCollaborate with the sales team to conduct technical discovery meetings with prospective and existing clients.Design and scope tailored technology solutions that meet client business needs and budgets.Develop Bills of Materials (BOMs), Statements of Work (SOWs), and high-level architectural diagrams.Present technical concepts and proposals to clients with varying levels of technical understanding.Serve as technical SME in client meetings and RFP responses. Stay up to date on emerging technologies and vendor offerings.Strategic & Proactive DutiesParticipate in the evaluation and testing of new technologies and services.Assist in developing and enforcing security policies and procedures aligned with compliance frameworks (e.g., NIST, CMMC, ISO 27001).Contribute to the continuous improvement of our service delivery and operational processes.Provide mentorship and guidance to junior team members.QualificationsMinimum 7+ years of experience in a systems engineering or senior network administrator role.Prior experience in a Managed Service Provider (MSP) or IT consulting environment is highly preferred.Bachelor's Degree in Engineering or a closely related technical fieldRequired Active Certifications:Cisco Certified Network Associate (CCNA)CompTIA Security+CompTIA Network+Microsoft 365 Certified: Fundamentals (MS-900) or higher relevant certificationMicrosoft Azure Fundamentals (AZ-900) or higher relevant certificationTechnical Skills & CompetenciesNetworking: Expert knowledge of TCP/IP, VLANs, routing protocols (OSPF, BGP), VPNs (IPsec, SSL), and network security principles. Hands-on experience with Cisco routers, switches, and firewalls. VOIP experience, preferably with Microsoft Teams/3CX.Cloud & Microsoft 365: Deep administrative experience with Azure Active Directory, Intune, Exchange Online, SharePoint Online, and Azure Virtual Machines. PowerShell scripting for automation is a plus.Security: Strong understanding of endpoint security, encryption, identity and access management (IAM), and vulnerability management. Experience with security information and event management (SIEM) tools is advantageous.Systems: Proficiency in Windows Server (2016-2022), Active Directory, Group Policy, Hyper-V//Proxmox/ VMware, and storage solutions.Soft Skills: Exceptional customer service, communication (verbal and written), and presentation skills. Ability to explain complex technical issues clearly to non-technical audiences.Personal AttributesSelf-motivated and able to work autonomously with minimal supervision.Thrives in a hectic, fast-paced environment and can effectively manage multiple priorities.Strong analytical and critical thinking skills with a passion for problem-solving.A team player with a positive, collaborative attitude.Unwavering integrity and a strong sense of ethics.Strong commitment to client satisfaction and relationship building.Clear, confident and persuasive in both technical and non-technical discussions.Bonus QualificationsExperience with compliance frameworks such as NIST (800-53, 800-171), ISO 27001, and CMMC.Additional certifications: Cisco CCNP, Microsoft Azure Administrator (AZ-104), Microsoft 365 Enterprise Administrator (MS-100/101), CISSP, or CISM.Work Schedule & ConditionsPrimary Hours: Monday - Friday, 8:00 AM - 5:00 PM.Must participate in a rotating on-call schedule for after-hours emergency support.Occasional after-hours work for project implementations and maintenance windows is required.Some travel to local and regional client sites is required (valid driver's license and reliable transportation necessary).Equal Opportunity Employer StatementSilotech Group, Inc. is an equal opportunity employer as to all protected groups, including protected veterans and individuals with disabilities.Commitment to Bexar County Community