L3 Systems Engineer

SUMMARY

We are looking for an experienced Level 3

Systems Engineer who can solve complex technical problems, design and implement

solutions, lead projects, mentor other technicians, and serve as a senior

technical escalation resource.

This position combines advanced Tier 3

technical support with systems engineering, cloud infrastructure, networking,

cybersecurity, and project responsibilities.

When Tier 1 and Tier 2 technicians

encounter difficult server, Microsoft cloud, networking, cybersecurity, or

infrastructure problems, you are one of the people they escalate to.

You will also design, implement, migrate,

secure, and improve client technology environments.

You should be comfortable independently

investigating complex technical problems, developing a plan, implementing a

solution, and communicating with the client throughout the process.

Candidates whose experience is primarily

desktop support, helpdesk, or Microsoft 365 administration without meaningful

hands-on Windows Server experience will not meet the technical requirements of

this position.

• Windows Server and Active
• Directory
• Strong hands-on Microsoft
• Windows Server experience is required.
• You should be comfortable
• administering, engineering, and troubleshooting:
• Windows Server 2016, 2019,
• 2022, and newer environments
• Active Directory Domain
• Services, Domain Controllers, and Active Directory replication
• Group Policy
• DNS and DHCP
• Authentication and domain trust
• issues
• File servers, NTFS permissions,
• and shared folders
• Windows services, Event Viewer,
• storage, networking, and performance
• Hyper-V and VMware environments
• Windows Server migrations,
• upgrades, replacements, and decommissioning
• Hybrid Active Directory and
• Microsoft cloud environments
• You must be able to walk into

  an unfamiliar Windows Server environment, determine how it is configured,

  identify problems, and independently develop a solution.

• Microsoft 365, Azure, and Cloud

  Engineering

• Modern client environments

  increasingly combine traditional infrastructure with cloud-hosted services.

• You must be comfortable

  supporting both, including traditional Active Directory, hybrid Active

  Directory and Entra ID, and cloud-only environments.

• You will:

• Administer and troubleshoot

  Microsoft 365 environments, including Exchange Online, SharePoint Online,

  Microsoft Teams, and Microsoft Intune

• Administer Microsoft Entra ID,

  including identity, roles, authentication, MFA, and Conditional Access

• Support and troubleshoot

  Microsoft Azure and cloud-hosted infrastructure, including virtual machines,

  storage, networking, identity, connectivity, servers, applications, and

  services

• Lead or assist with client

  transitions and migrations to Microsoft 365, Azure, Exchange Online,

  SharePoint, Entra ID, SaaS, and hybrid-cloud architectures

• Apply modern identity-security

  and Zero Trust principles to cloud environments

• Networking and Cybersecurity

• Making something work is only

  part of the job. It also needs to be secure.

• You will:

• Configure and troubleshoot LAN

  and WAN, VLANs, routing, switching, wireless, VPNs, DNS, and DHCP

• Configure and support

  next-generation firewalls, switches, wireless access points, and secure remote

  access

• Work with Fortinet technologies

  including FortiGate, FortiSwitch, FortiAP, FortiManager, FortiClient, and EMS

• Configure, administer, and

  troubleshoot iBoss SaaS cloud security solutions

• Support endpoint security, EDR,

  MFA, email security, SOC monitoring, vulnerability management, and secure web

  technologies

• Assist with cybersecurity

  remediation, system hardening, and incident response

• Apply cybersecurity best

  practices when designing and implementing technical solutions

• Systems Engineering and

  Advanced Escalations

• Own complex technical

  escalations from diagnosis through resolution

• Perform root-cause analysis and

  design long-term solutions rather than relying on temporary fixes

• Analyze logs, monitoring data,

  packet captures, and other diagnostic information to resolve complex issues

• Work directly with vendors on

  advanced technical issues

• Identify opportunities to

  improve client technology environments

• Clearly communicate technical

  findings, business impact, and recommended solutions

• Projects, Backup, and Disaster

  Recovery

• You will lead or participate in

  projects involving:

• Windows Server replacements and
• migrations
• Microsoft 365, Azure, Entra ID,
• SharePoint, file, on-premises-to-cloud, and hybrid-cloud migrations
• Firewall, network, and wireless
• projects
• Cybersecurity implementations
• Backup and disaster-recovery
• solutions
• Infrastructure modernization
• You will develop implementation

  plans, identify risks, create rollback plans when appropriate, coordinate with

  clients and vendors, test changes, and accurately document completed work. You

  will also support backup and disaster-recovery environments, troubleshoot

  backup failures, perform restores and recovery testing, and assist during major

  recovery events.

• Mentoring and Technical

  Leadership

• A Level 3 Systems Engineer

  should make the entire technical team stronger

• You will:

• Mentor Tier 1 and Tier 2 technicians and review their technical

  escalations

• Teach troubleshooting skills rather than simply providing answers

• Share technical knowledge with the team and improve technical

  documentation

• Help establish and improve technical standards and best practices

• Lead through your actions, regardless of title

Requirements

• Minimum of 3 years of MSP experience

Tier 3, Systems Administrator, Systems Engineer, or comparable technical level

administration and troubleshooting experience, including strong Group Policy,

DNS, DHCP, authentication, permissions, and Active Directory troubleshooting

skills

migrations, upgrades, and replacements

knowledge

and troubleshooting skills, including MFA, Conditional Access, and modern

identity-security technologies

cloud-hosted infrastructure, including Azure Virtual Machines, networking,

storage, identity, and cloud-security concepts

Directory and Entra ID environments

TCP/IP, VLANs, routing, switching, VPNs, and wireless

next-generation firewalls

documentation, and remote-support platforms

problem-solving skills

unfamiliar technologies Strong written and verbal communication skills

· Our environment includes

technologies such as Windows Server, Active Directory, Microsoft 365, Microsoft

Entra ID, Azure, Exchange Online, SharePoint, Intune, Hyper-V, VMware,

Fortinet, iBoss SaaS, Datto RMM, Autotask PSA, Kaseya technologies, Datto BCDR,

Microsoft Defender, RocketCyber SOC, EDR, vulnerability management, email

security, and VoIP and UCaaS platforms.