Sec+ Candidate - Cloud+ Study - Network & DoD Systems Expert

JOSEPH DOWLING

402-***-**** **************@*****.*** linkedin.com/in/josephdowling Omaha, NE 68101 Eligible for non-competitive appointment under the 30% or More Disabled Veteran Hiring Authority DEFENSE CONTRACTING CLOUD & ENTERPRISE IT NETWORKING PROFESSIONAL EXPERIENCE

AT&T Bellevue NE Jan 2025 – Present

WAN Administrator

Cisco SD-WAN administrator

BAE Systems Bellevue, NE Apr 2025 – Sept 2025

Linux/Windows Administrator

Managed deployment and administration of virtualized and physical network environments for DoD projects.

● Configured Cisco firewalls, routers, and switches to implement WAN solutions supporting multiple sites

● Installed and managed Linux RHEL and Windows Server 2022 on VMware, creating highly available paired servers

● Automated system setup and maintenance, improving server deployment efficiency Oneida Bellevue, NE Nov 2024 – Jan 2025

Field Technician IV (Contract)

Supported enterprise VoIP and network systems refresh for a multi-site environment

● Supported enterprise VoIP and network systems refresh for a multi-site environment

● Administered Windows Server 2019, Active Directory, IIS, F5, and automated tasks with Python and batch scripting

● Ensured seamless WAN connectivity during system upgrades and VoIP deployment Teksystems Bellevue, NE Feb 2024 – Sept 2025

Site Liaison / Administrator (Contract)

Served as the bridge between SecDevOps LAN/WAN teams and DoD clients for secure cloud and network operations

● Coordinated Python, AI, and ML-based projects between engineering teams and customer stakeholders

● Monitored network performance, ensuring compliance with DoD standards and operational requirements Cencore LLC Bellevue, NE 2022 – 2023

Systems Administrator

Led design, deployment, and management of complex LAN/WAN and cloud environments for NC3 facilities

● Built and maintained a 200+ seat lab with Windows Server 2019, Active Directory, Group Policy, IIS, VMware, and F5

● Stood up AWS, Azure, Google, and Oracle cloud tenancies using Ansible and Terraform (Oracle Cloud Certified Associate 2023)

● Administered SonicWALL firewalls, Cisco VoIP systems, and Kubernetes clusters (AWS EKS)

● Supported classified and unclassified networks, ensuring high security and uptime Peraton Bellevue, NE Jul 2022 – Dec 2022

Network Administrator (Contract)

Managed LAN/WAN network upgrades and systems administration for DoD clients

● Upgraded network infrastructure, including Cisco and F5 equipment, improving reliability and performance

● Automated repetitive tasks using PowerShell and Python scripting, reducing manual workload by 30%

● Coordinated with program managers to procure replacement networking equipment SAIC Bellevue, NE Apr 2021 – Jul 2022

Systems Administrator Principal

Directed LAN/WAN refresh and data center network upgrades for the AFWA Offutt AFB Weather Wing

● Configured and deployed 300+ Cisco switches and VoIP systems across three data centers

● Managed Windows Server 2019, Group Policy, F5, and SonicWALL firewalls, enhancing security posture

● Streamlined RFP processes for hardware replacement, supporting program managers and procurement teams JOSEPH DOWLING Page 2 of 2

Booz Allen Hamilton Lexington Park, MD May 2020 – Apr 2021 Lead Technologist (Contract)

Maintained mission-critical IP multicast video and network systems for US Navy and DoD operations

● Deployed and configured 30+ Cisco and Juniper switches in theater environments

● Hardened Linux and Apache servers, ensuring operational security and stability

● Supported drone operations by troubleshooting and replacing critical network equipment onsite General Dynamics IT Bellevue, NE Jan 2019 – May 2020 Network Administrator

Oversaw DoD LAN/WAN networks and deployed high-volume switch installations

● Configured, tested, and deployed 300+ Cisco and Juniper switches, improving operational reliability

● Monitored network performance, proactively resolving issues in classified and unclassified environments EDUCATION CERTIFICATIONS

Masters MIS Computer Science

Bellevue University – Bellevue, NE 2011

Security+, Network+, Linux+, A+ CompTIA – Downers Grove, IL All valid until 2028 TECHNICAL SKILLS

• Architecture & Systems: Systems Engineering, System-of-Systems Engineering, Enterprise Architecture, Solution Architecture, DoDAF

• Networking & Transport: MPLS, BGP, OSPF, EVPN, VXLAN, VPLS, SD-WAN, SDN, OTN, Multicast, Network Architecture, NOC Operations

• Cybersecurity & Governance: Zero Trust Architecture, Identity-Based Segmentation, RMF, GRC, STIGs, IAM, Cyber Policy, DoD Zero Trust

• Platforms & Infrastructure: Linux, Infrastructure as Code (IaC), Containerization, Hybrid Cloud, Virtualization, Automation

• DevSecOps & Integration Awareness: NetDevOps, CI/CD constraints, Secure SDLC, SaaS/PaaS Integration

• Operations & Tooling: Wireshark, Cisco ISE, Cisco DNAC, ACAS Nessus, NMS, SIEM/SOAR integration • Delivery & Leadership: Technical Project Management, Stakeholder Management, ITIL/ITSM, Change Management, PMBOK, Continuous Improvement

• Mission Systems: SATCOM, Satellite Networking, Tactical Data Links, Unified Communications

Contact this candidate