Firewall Engineer

Description

The Team is responsible to protect the enterprise by reviewing requests for ingress and egress access. This position requires the ability to help align requests with existing policies and also the ability to help educate users on standard security methodology. This position is responsible to review requests and ensure initial compliance to network connectivity models and policies.

Job Duties/Responsibilities may include, but are not limited to:

Processing of requests for firewall rules or other Border Protection Team service offerings. The candidate will be expected to take accountability for managing multiple concurrent requests within multiple ticket queues and ensuring compliance to documented SLA agreements.

Collaborate with firewall rule requesters, application teams, security engineers, enterprise architects, and other team members to ensure requests align with Caterpillar policies

Review and provide counsel for requests to help align them with the enterprise direction, policies, or enhance security around a solution

Understand Enterprise Security Directives, network models, and enterprise architecture patterns to ensure the alignment of a request

Offer alternative solutions if a request does not align with current policies

Manage the completion of own work assignments and coordinate work with other team members

Work with Linux, MySQL, Perl and network tools to analyze requests

Ability to work independently with minimal direction to fulfill standard service requests

Ability to work with a global customer and technical audience

Functional level understanding of firewall administration, network traffic collection tools, and overall understanding of network infrastructure

Manage, participate in, or directly work on any additional projects, assignments, or initiatives assigned by management

Required Qualifications:

High level of initiative and accountability

2-4 years of job-related experience (network and/or IT)

Strong diagnostic and analytical skills

Strong communication and presentation skills

Ability to work independently with minimal direction to fulfill standard service requests

An understanding of networking concepts

Segmentation

DMZ

Least privilege access control

Application or Infrastructure experience

Experience with Windows, UNIX, Linux, or Networking

Desired Qualifications:

Unix/Windows or network administrative experience

Application/Infrastructure architecture experience

One or more of the following preferred: CISSP, CISA, GIAC GPPA or equivalent

Knowledge of Perl, bash, Linux, MYSQL

Understanding of information security and risk analysis processes (e.g. threat modeling)

College/University degree

Availability to work primarily in Peoria, IL for a term of 1 year

Additional Skills & Qualifications

Strong communication and presentation skills

High level of initiative and accountability

Experience Level

Intermediate Level

Job Type & Location

This is a Contract position based out of Nashville, TN.

Pay and Benefits

The pay range for this position is $40.00 - $45.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave)

Job Type & Location

This is a Contract position based out of Nashville, TN.

Application Deadline

This position is anticipated to close on Oct 16, 2026.

Workplace Type

This is a fully onsite position in Nashville,TN.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

Were a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. Were a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. Were strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. Were building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.