Senior Systems & Network Administrator

Active Directory, Sharepoint, Azure AD, Citrix Virtual, XenApp, XenDesktop, Windows Server 2016+: DNS, DHCP, Okta, single sign on solutions, AWS, Office 365, ESXi, Cloud, cisco
Full Time
Depends on Experience
Work from home available Travel required to 10%.

Job Description

Vertex Recruiting Solutions has been retained by our client, Hornblower Group, to identify and recruit a Senior Systems Administrator.

Hornblower Group is global leader in world-class experiences and transportation. There are two divisions that make up Hornblower Group – City Experiences and American Queen™ Steamboat Company. 

*** The position can be based in Chicago, Philadelphia, Boston, New York, Alexandria, Norfolk, Baltimore, Weehawken or Washington DC ***


This position is needs an independent person with broad skills in systems and network administration. We need someone who loves to take on and implement new software and hardware solutions - and implement them.  And if you like to be "big picture" but remain with hands-on technical tasks, this is ideal for you.


- Set up, manage, administer and maintain user identity and authentication services
- Set up of Office 365, and management of user and tenant management, including OneDrive and SharePoint
- Set up and management of wireless networks and devices (Meraki preferred)
- Strong focus on security and Firewalls
- Set up and manage Group Policies
- Hands-on Enterprise-wide production & development server administration on-premises and cloud
- Active Directory set up and management including consolidation of multiple domains
Set up and managing VOIP technologies (Cisco UCS, ShoreTel/MiTel) and migration
- CyberSecurity including best practices, initiatives and awareness training
- Hands-on, technical networking experience including routing/switching, VPN and SD-WAN
- Wireless experience with WWAN, WLAN, point to point, cellular to Wifi bridging
- Workload migration experience from on-premises to cloud providers (AWS, Azure, Google Cloud Platform)
- Overseeing projects with multiple business units and technologies
- Creation and implementation or robust Disaster Recovery and Business Continuity - Planning, Testing and Recovery
- Providing tier 2/3 technical support for escalations as needed


- Active Directory
- Azure
- Okta
- Other Single Sign-On, Multi-factor Authentication security
- Other Cloud Solutions
- Emerging Cyber Security and Firewall Technologies
- Office 365 Suite: Exchange, Sharepoint, OneDrive, Teams
- Citrix Virtual Apps and Desktops, XenApp, XenDesktop
- vCenter server (general)
- VMware – ESXi 5.5 or higher
- Storage mounting via iSCSI/NFS
- Cisco routing and switching infrastructure
- Windows Server 2016+: DNS, DHCP, KMS, Group Policies, IIS
- Server 2016 Security vulnerability scanning, SIEMs, firewalls and standardization
- VOIP infrastructure, including SIP Trunking migration, QOS, and traffic management

For more information see:


Dice Id : 10200478
Position Id : 6951221
Originally Posted : 2 months ago
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