Andrew Milnes
NETWORK ENGINEER
Grafenwohr,BY
Summary
Network Engineer and Security Administrator with extensive experience administering, monitoring, maintaining, and securing distributed network infrastructure. Configures and supports Cisco routers, switches, VLANs, Palo Alto firewalls, and secure WAN connectivity across geographically dispersed environments. Experienced in network performance monitoring, troubleshooting, infrastructure upgrades, vendor-driven maintenance, security compliance, and maintaining network reliability and integrity. CCNA and SecurityX certified.
Overview
5
5
Certifications
12
12
years of professional experience
Work History
Network Engineer
Client Solution Architects
10.2022 - Current
- Configure Cisco routing and switching environments while maintaining Active Directory administration and supporting secure remote operations.
- Maintain network equipment and software at optimal performance levels by evaluating vendor notifications, performing network maintenance, and implementing software updates and configuration changes in accordance with vendor and security requirements.
- Execute network upgrades and infrastructure relocations for four enclaves to new equipment racks, improving fiber connectivity and system performance.
- Monitor and evaluate network resources, traffic, and system performance using SolarWinds and Wireshark; diagnose and resolve network connectivity and performance issues across distributed environments.
- Engineer secure network infrastructure across four international enclaves from Grafenwöhr to remote sites in Italy, Lithuania, Romania, and Poland.
- Advise management on end of life / end of support devices and software and recommend replacement hardware and software.
- Created and updated network diagram and tracking documentation for reference by team members.
Information Management Officer
Valiant Integrated Services
10.2021 - 10.2022
- Managed and resolved 10-15 Tier 1 technical incidents daily utilizing ServiceNow and Remedy, achieving a 95%+ customer satisfaction (CSAT) score through clear, empathetic communication with non-technical users.
- Completed 10-20 system imaging and maintenance tasks per month across classified and unclassified networks to support operational continuity.
- Managed 150+ user accounts and permissions weekly across classified and unclassified systems through Active Directory administration.
- Configured network access controls for more than 200 information systems, administering Active Directory permissions in line with security protocols and regulatory requirements.
- Performed lifecycle management for software and systems across classified and unclassified networks, including imaging, installation, and ongoing maintenance.
- Developed technical documentation and user instructions to support maintenance, troubleshooting, and knowledge transfer for current and future administrators.
Network Engineer
New River Systems
04.2021 - 10.2021
- Responded to 60+ outages per month by restoring devices and resolving connectivity issues across embassy-connected networks.
- Monitored 15+ network devices across geographically dispersed sites to maintain operational visibility and uptime.
- Configured and maintained network devices across four geographically dispersed locations to support reliable daily operations.
- Implemented inbound and outbound traffic rules in Palo Alto firewalls to strengthen network security and reduce external threat exposure.
- Secured and inventoried network equipment using Cisco Prime and ISE to improve inventory control, security protocols, and system integrity.
- Managed administrator access and network health to maintain stable service across embassy-connected environments.
- Applied troubleshooting and network performance optimization practices to restore service quickly and support ongoing reliability.
Executive Communicator
US Army
07.2019 - 04.2021
- Configured and tested 13 Cisco 5915 routers to establish DMVPN tunnels for executive data and voice traffic.
- Administered COMSEC for encryption devices to strengthen protection of sensitive Army communications.
- Managed secure executive communications on G500 aircraft using SATCOM Direct routers and ViaSat modems.
- Supported reliable connectivity during travel by monitoring aircraft communications systems under operational constraints.
- Maintained executive data and voice communications across secure networks to support high-level Army officials.
- Applied Cisco routing and switching practices to keep executive communications systems dependable and ready for travel.
- Troubleshot DMVPN and satellite communications issues to restore dependable service for executive personnel.
Division Manager
US Army
06.2014 - 07.2019
- Coordinated network operations across 38 subordinate agencies, managing authorized service interruptions and ticketed requests.
- Led the Network Modernization-CONUS project, upgrading and configuring over 500 networking devices including Cisco Catalyst switches and Juniper equipment.
- Prioritized maintenance tickets and service requests to keep network equipment and software operational and compliant with vendor requirements.
- Maintained service continuity by resolving network issues and coordinating operational windows across geographically dispersed units.
- Supported network compliance through routine maintenance, software updates, and coordination with regulatory requirements.
Education
Associate of Arts - Information Technology
University of Phoenix
01-2020
Skills
Cisco routing and switching
Active Directory administration
EIGRP, OSPF, BGP
IPSec tunnels
DMVPN configuration
DHCP administration
SNMP monitoring
SolarWinds
Network infrastructure configuration
Network troubleshooting
Network monitoring
LAN/WAN design
Network performance optimization
VLAN configuration
Network capacity planning
Firewall policy management
Network security compliance
Type 1 encryption
Secure network administration
DISA STIG compliance
Change management
Disaster recovery planning
Certification
CompTIA SecurityX CE (Formerly CASP+)
Timeline
Network Engineer
Client Solution Architects
10.2022 - Current
Information Management Officer
Valiant Integrated Services
10.2021 - 10.2022
Network Engineer
New River Systems
04.2021 - 10.2021
Executive Communicator
US Army
07.2019 - 04.2021
Division Manager
US Army
06.2014 - 07.2019
Associate of Arts - Information Technology
University of Phoenix