Callahan Enterprises


Available Positions

We are continuously seeking qualified, motivated individuals with integrity who want to become part of a growing company with a huge potential to succeed. We value our employees and the role they play in our success. We recognize and reward their achievements and we invest in their training, development, benefits and compensation. We take our work seriously and looking for those who do the same, but who also takes pride in solving complex problems and satisfying our clients. Imagination, Innovation, continuous improvement and creativity are all highly desired.

The majority of our positions are in the IT industry. However, we often have administrative, sales, and clerical positions. Our available positions can also be anywhere in the continental U.S.; therefore, all job descriptions for Current Openings show exact locations. Job Descriptions for On-Going Needs may be for multiple locations.

We invite you to explore our web site to learn more about:

•Our company
•Our people
•Our ethics

Network Engineer

Job Description

Our growing company is currently looking for network engineers to be held responsible for installing and maintaining computer communication networks at a company or organization. They will also ensure that the networks are running smoothly and will upgrade networks to provide maximum performance.

Primary Responsibilities

Install computer networks such as local area networks (LANs), wide area networks (WANs), the Internet, intranets, and other data communications systems.
Install server hardware and software infrastructure.
Set up user accounts and passwords.
Monitor network usage and security.
Manage email, spam, and virus protection.
Ensure networks are running smoothly.
Troubleshoot and restore systems after crashes.
Retrieve forgotten passwords.
Undertake routine preventative measures and implement, maintain and monitor network security.
Supervise help desk technicians.
Ensure systems comply with industry standards.
Keep internal networks running smoothly.
Support administration of servers and server clusters.
Manage system back up.
Restore protocol.
Document network problems.
Support network and computing infrastructure.
Install and maintain network services, equipment, and various devices.
Oversee software security.


Bachelor’s degree in Engineering, Computer Science or higher degree
Cisco Certified Network Associate (CCNA) or higher
CCNA Security Certification
Basic understanding of Layer 2 VPNs – EVPN, VPLS, and XConnect
Experience in network engineering within the federal intelligence community
Ability to adhere to a disciplined troubleshooting methodology, and ensure task/mission completion, along with creating and maintaining necessary information
Highly self-motivated and directed, with attention to detail
Able to effectively prioritize tasks in a high-pressure environment

Michael Sanders