What are the responsibilities and job description for the Sr. Network Administrator position at Masterapp Labs?
Key Responsibilities
Network Infrastructure Administration
- Administer enterprise routing and switching infrastructure
- Configure and maintain LAN, WAN, wireless, and remote access environments
- Support hybrid MPLS and SD-WAN connectivity across multiple locations
- Maintain network availability, resiliency, and performance
Firewall & Secure Connectivity Management
- Administer firewalls, VPN solutions, and secure remote connectivity
- Implement and maintain network segmentation and access controls
- Support secure connectivity for cloud and hybrid environments
- Coordinate firewall rule changes and network security updates
Monitoring & Troubleshooting
- Monitor network health, utilization, and performance
- Respond to outages, connectivity issues, and infrastructure incidents
- Perform network troubleshooting across routing, switching, wireless, and VPN environments
- Conduct root cause analysis and implement corrective actions
Security & Compliance Support
- Support implementation of network security controls and standards
- Collaborate with the Information Security Office on vulnerability remediation and risk reduction
- Assist with logging, monitoring, and audit activities
- Support secure configuration and hardening practices
Change Management & Operations
- Execute network changes through defined change management processes
- Validate planned changes and maintain rollback procedures
- Participate in maintenance windows and operational planning
- Maintain network documentation and diagrams
Vendor & Carrier Coordination
- Coordinate with telecommunications providers and vendors
- Support circuit provisioning, troubleshooting, and escalations
- Assist with hardware lifecycle and support renewals
Cross-Team Collaboration
- Partner with Systems Administration on infrastructure dependencies
- Coordinate with End User Services regarding user-impacting network issues
- Support Application/Data teams with connectivity and performance needs
- Communicate operational risks and system impacts to leadership
Required Qualifications
- Experience administering enterprise network environments
- Strong knowledge of routing and switching concepts
- Experience with firewalls, VPNs, and secure remote access
- Experience troubleshooting network connectivity and performance issues
- Familiarity with wireless networking technologies
- Understanding of structured operational and change management processes
Preferred Qualifications
- Experience with Cisco networking technologies
- Experience with SD-WAN and hybrid network environments
- Experience in government or regulated environments
- Familiarity with network monitoring and logging tools
- Knowledge of security frameworks such as NIST
- Relevant certifications such as CCNA or CCNP
Knowledge, Skills, and Abilities
- Strong troubleshooting and analytical skills
- Ability to manage multiple operational priorities
- Effective written and verbal communication skills
- Ability to work collaboratively across technical teams
- Focus on reliability, security, and operational consistency
Required/Desired Skills
|
Skill |
Required /Desired |
Amount |
Actual Years of Experience |
|
Routing and switching |
Required |
5 |
|
|
TCP/IP networking |
Required |
5 |
|
|
VLAN configuration |
Required |
3 |
|
|
VPN administration |
Required |
3 |
|
|
Firewall administration |
Required |
4 |
|
|
Wireless networking administration |
Required |
3 |
|
|
Network troubleshooting |
Required |
5 |
|
|
LAN/WAN support |
Required |
4 |
|
|
SD-WAN support |
Required |
2 |
|
|
Network monitoring tools |
Required |
3 |
|
|
DNS fundamentals |
Required |
3 |
|
|
Network performance analysis |
Required |
3 |
|
|
Cisco networking technologies |
Required |
4 |
|
|
Remote access technologies |
Required |
3 |
|
|
Circuit troubleshooting |
Required |
3 |
|
|
Carrier/vendor coordination |
Required |
2 |
|
|
Network resiliency concepts |
Required |
2 |
|
|
High availability concepts |
Required |
2 |
|
|
Network documentation/diagramming |
Required |
2 |
|
|
Network segmentation |
Required |
2 |
|
|
Firewall rule management |
Required |
3 |
|
|
Secure remote connectivity |
Required |
3 |
|
|
Access control concepts |
Required |
2 |
|
|
Vulnerability remediation support |
Required |
2 |
|
|
Security incident support |
Required |
1 |
|
|
Change management execution |
Required |
2 |
|
|
Maintenance window coordination |
Required |
2 |
|
|
Incident response participation |
Required |
2 |
|
|
Root cause analysis |
Required |
2 |
|
|
Structured troubleshooting methodology |
Required |
4 |
|
|
Communication and collaboration |
Required |
3 |
|
|
Operational discipline |
Required |
3 |
|
|
Independent work capability |
Required |
3 |
|
|
Prioritization under pressure |
Required |
3 |
|
|
BGP |
Desired |
2 |
|
|
Dynamic routing protocols |
Desired |
3 |
|
|
Advanced firewall administration |
|
Salary : $35 - $40