Top 7 Network administrator Jobs in Bridgeport, Ct

System and Network Administrator
Total Mortgage Services LLC —Milford, CT
- Full-time
- System design
- Research
- Windows
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System Administrator
Tiger IT Solutions —Greenwich, CT
- English
- Mid-level
- 2 years
Systems Administrator
Charles IT —Stamford, CT
- Full-time
- Windows
- Microsoft Office
- SQL
- Paid training
- Paid holidays
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Sr. Systems Administrator
Charles IT —Stamford, CT
- Azure
- System design
- Windows
- Paid training
- Paid holidays
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Infrastructure Technician
Harvest Hill Beverage Company —Stamford, CT
- Full-time
- Azure
- Research
- Mid-level
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System and Network Administrator

Total Mortgage Services LLC -
Milford, CT

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Job Details

Full-time

Qualifications

Cloud identity and access management (IAM)
IT user and group management
Linux support
GPO
Windows
VLAN
Azure AD
Windows support
Access control management
VPN management
Network infrastructure management

Full Job Description

System & Network Administrator

Position Overview

Total Mortgage is seeking a highly skilled System & Network Administrator to support and manage our hybrid IT environment across on-premises infrastructure and cloud platforms. This role is responsible for maintaining reliable, secure, and efficient systems, with a strong emphasis on Ubiquiti UniFi networking, virtualization platforms, Windows/Linux systems, and Microsoft 365 / Entra ID / Azure.

You will play a critical role in both day-to-day operations and long-term infrastructure improvements, working closely with internal teams and external vendors.

Key Responsibilities

Infrastructure & Systems Administration

Manage and maintain Windows Server and Linux systems, including patching, performance tuning, and troubleshooting
Administer virtual environments (VMware, Hyper-V, or similar), including provisioning, monitoring, and optimization
Perform user and group management, permissions administration, and Group Policy configuration
Install, configure, and maintain file shares, multi-user applications, and other networked resources

Network Administration (UniFi Focus)

Design, configure, and manage Ubiquiti UniFi network infrastructure, including:
- Gateways, switches, and wireless access points
- VLANs, VPNs, and firewall rules
Monitor network performance, availability, and security
Troubleshoot connectivity issues across LAN/WAN environments
Maintain routers, switches, firewalls, access points, printers, and VoIP systems

Cloud & Identity (Microsoft 365 / Azure / Entra)

Administer Microsoft 365 services (Exchange Online, SharePoint, Teams)
Manage Entra ID (Azure AD) including identity lifecycle, Conditional Access, and MFA
Support Azure infrastructure and hybrid integrations
Implement and maintain security controls including access policies and device compliance

Security, Compliance & Cybersecurity Auditing

Perform and support cybersecurity and compliance audits across systems, networks, and cloud platforms
Conduct and document disaster recovery (DR) planning and testing, including backup validation and recovery exercises
Assist with or coordinate penetration testing and vulnerability assessments, ensuring timely remediation
Monitor systems for adherence to security policies, standards, and regulatory requirements
Participate in risk assessments and develop mitigation strategies
Maintain audit documentation and provide evidence for internal/external reviews
Support and improve security posture, identifying gaps and implementing corrective actions
Assist in responding to security incidents, including account compromise or network intrusion

Support & Operations

Provide Tier 2/3 technical support in coordination with helpdesk teams
Troubleshoot complex issues across systems, networks, and cloud environments
Partner with vendors for installations, upgrades, and escalations

Documentation & Continuous Improvement

Create and maintain documentation including:
- Network diagrams and configurations
- System architecture and standard operating procedures
Assist in infrastructure design, improvements, and scalability planning
Research and recommend new technologies, tools, and best practices

Required Qualifications

3+ years of experience in system and network administration
Hands-on experience with Ubiquiti UniFi networking solutions
Strong knowledge of:
- Windows Server environments
- Linux system administration
- Virtualization platforms (Xen, Hyper-V, or similar)
Experience managing Microsoft 365 and Entra ID (Azure AD)
Solid understanding of:
- Networking fundamentals (DNS, DHCP, VLANs, VPNs, routing)
- Security concepts and access control models

Preferred Qualifications

Experience with Microsoft Azure (IaaS/PaaS)
Familiarity with PowerShell, Bash, or other scripting/automation tools
Experience with backup and disaster recovery solutions
Knowledge of endpoint management (Intune or similar)
Exposure to compliance frameworks such as SOC 2, NIST, or CIS benchmarks
Relevant certifications (Microsoft, CompTIA, or networking certifications)

Key Skills

Strong troubleshooting and analytical thinking skills
Excellent documentation and organizational abilities
Ability to manage multiple priorities in a fast-paced environment
Clear communication with both technical and non-technical stakeholders

Hours for position:

M-F 9am-5pm

This position may require frequent additional hours, at times on a daily basis; must be available to work additional hours on short notice as determined by management to meet customer service requirements.

Conclusion

This job description is intended to convey information essential to understanding the scope of the job and the general nature and level of work performed by job holders within this job. But, this job description is not intended to be an exhaustive list of qualifications, skills, efforts, duties, responsibilities or working conditions associated with the position.

We are an Equal Opportunity Employer.

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network administrator jobs in bridgeport, ct

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