Cyber Security/ Network Engineer only W2
Diversified Technology, Inc.
Dice Job Match Score™
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Job Details
Skills
- Security Engineer
- Cyber Security
- Network Security
- F5 Distributed Cloud
- F5 XC
- WAF
- Palo Alto
- Prisma Access
- Terraform
- OWASP
- Python
Summary
WHO WE ARE:
Founded in 2007, DTI (Diversified Technology, Inc.) is a successful African American owned IT Consulting/Staffing firm based in Chicago''s Loop.
WHAT WE DO:
We focus on providing delivery, staffing, and supported services such as enterprise integration/implementations including, but not limited to, CRM, EAM, ERP, PMO, and QA. We service clients in SLED (state/local gov''t & education), financial services, fortune, public utility, as well as regularly partnering with Big 4 SI partners.
Senior Security Engineer – Web Application & Network Protection
Location: Columbus, OH (Onsite/Hybrid as required)
Work Location: 290 W Nationwide Blvd, Columbus, OH 43215-2561, United States
Employment Type: Contract (W2 Only)
Client: Public Utility Client
Important Requirements
- W2 employment only (No C2C or 1099)
- Experience supporting enterprise cybersecurity environments, preferably within regulated industries such as public utilities, energy, or critical infrastructure.
Position Overview
We are seeking a Senior Security Engineer – Web Application & Network Protection to lead the design, implementation, and support of enterprise web application and network security solutions for a large public utility organization.
This role is responsible for securing internet-facing applications using F5 Distributed Cloud (XC) WAF, API security, bot protection, DDoS mitigation, and enterprise network security technologies including Palo Alto Networks firewalls and secure remote access solutions. The ideal candidate combines expertise in web application security, network security, cloud security, and automation to protect critical enterprise services.
Key Responsibilities
Web Application Security
- Administer and support F5 Distributed Cloud (XC) Web Application Firewall (WAF).
- Design, deploy, and maintain WAF policies, signatures, and security controls.
- Configure and manage:
- API Protection
- Bot Defense
- DDoS Mitigation
- Geolocation Policies
- Rate Limiting
- CAPTCHA Challenges
- Investigate, analyze, and tune WAF false positives.
- Onboard enterprise applications into WAF services.
- Perform WAF policy reviews and continuous optimization.
- Support incident response involving web application attacks.
Application Security
- Protect enterprise applications against:
- OWASP Top 10 vulnerabilities
- SQL Injection
- Cross-Site Scripting (XSS)
- Cross-Site Request Forgery (CSRF)
- Server-Side Request Forgery (SSRF)
- Authentication attacks
- API abuse
- Credential stuffing
- Session hijacking
- Review application architectures and recommend security improvements.
- Partner with development teams during application onboarding and troubleshooting.
Network Security
- Administer and support:
- Palo Alto Networks Next-Generation Firewalls (NGFW)
- Prisma Access
- Site-to-Site VPNs
- SSL Decryption
- NAT
- Security Policies
- Network Segmentation
- Troubleshoot DNS, routing, and enterprise network connectivity issues.
- Participate in production support and on-call rotations.
Cloud & Security Automation
- Develop automation using:
- Python
- REST APIs
- Terraform
- Git
- Build dashboards and reporting for security posture and operational metrics.
- Automate repetitive security operations and administrative tasks.
Security Operations
- Participate in:
- Incident Response
- Threat Hunting
- Security Assessments
- Vulnerability Management
- Root Cause Analysis
- Security Architecture Reviews
Required Qualifications
- Bachelor''s degree in Cybersecurity, Computer Science, Information Technology, or a related field (or equivalent experience).
- 6+ years of experience in cybersecurity engineering, web application security, or network security.
- Hands-on experience administering F5 Distributed Cloud (XC) WAF or enterprise WAF platforms.
- Strong experience with Palo Alto Networks NGFW and Prisma Access.
- Experience implementing API Security, Bot Protection, and DDoS mitigation.
- Strong understanding of OWASP Top 10 and secure application design principles.
- Experience troubleshooting enterprise networking, VPNs, DNS, NAT, routing, and firewall policies.
- Experience with Python scripting, REST APIs, Git, and Terraform.
- Excellent analytical, troubleshooting, and communication skills.
Preferred Qualifications
Experience with:
- Bot Management
- API Security
- DDoS Protection
- CDN Technologies
- DevSecOps
- CI/CD Pipelines
- Kubernetes
- Containers
- Terraform
Preferred Certifications
- OWASP Foundation Certifications
- ISC2 CISSP
- GIAC Certifications
- F5 Certifications
- Palo Alto Networks Certifications
What We''re Looking For
- Strong expertise in enterprise web application and network security.
- Experience securing mission-critical internet-facing applications.
- Ability to automate security operations and improve operational efficiency.
- Excellent collaboration skills with infrastructure, development, and security teams.
- Strong problem-solving abilities and experience working in regulated enterprise environments.
Pay rate:
Please click on the link below for our company benefits
DTI is an Equal Opportunity Employer. We do not discriminate based on race, color, religion, sex, gender identity, sexual orientation, national origin, ancestry, age, disability, marital status, veteran status, or any other protected characteristic under Illinois state or federal law. All qualified applicants are encouraged to apply, and employment decisions are based solely on merit, qualifications, and business needs.
- Dice Id: dti
- Position Id: 26-00301
- Posted 3 days ago
Company Info
38 Year Heritage of Service
Diversified Telecommunications Inc., (DTI) was founded in 1985, as a pay phone provider. Knowing the needs of the communities it served brought DTI early success. Because DTI was an independent payphone company with lower overhead, it was able to offer a much larger percentage of the phones’ revenues to retailers than bigger providers, such as Illinois Bell, could offer. With the proliferation of cell phones, the pay phone business began to dwindle. Looking ahead DTI had already begun exploring the information technology services arena and found two areas in which to expand their business.
Expanding into Network and IT Consulting
The first area of expansion was in network infrastructure. This included network cabling, which was a logical extension of the phone business. With the growth of business networks, it was a smart move. DTI has been offering network cabling, including network design, pre-project planning, structured cabling systems and on-site technicians, since 1994. Based on the success of the network infrastructure business, Diverse Technologies, Inc. was created in 2008 to provide network communication technicians from I.B.E.W. Local 134, project managers, project coordinators and of course account managers to offer an expanded set of Network Services to help ensure clients expectations were exceeded from beginning to end.
The second area of expansion is IT Consulting, including ERP implementations, software application design and development, computer programming, project management and supplemental staffing. DTI saw that a project often required additional sets of hands or skill sets our client did not have on staff. As opposed to hiring additional staff, they looked to DTI to fill their needs. The division, originally developed to support client needs for project assistance in 1996, grew into the establishment of Diversified Technology, Inc. in 2007.
Adjusting to a Changing Market
Into the 2000s, DTI grew at an incredible rate. It was recognized twice by the Inner City 100 as one of the fastest growing inner-city companies in America. DTI’s client list included some of the top organizations headquartered in Chicago, such as Amoco, Ameritech, and Quaker Oats. But a series of mergers and acquisitions, with corporate decisions now being made outside Chicago, resulted in DTI losing some of its large, long-term clients. Therefore, DTI transitioned once again, balancing its portfolio to include more clients in the government and education industries that aren’t susceptible to mergers and acquisitions by out-of-state corporations, developing strong relationships with some of the largest system integrators and software providers in the business, and providing its service offerings to organizations throughout the country.
Focusing on Specific Industries and Partners
Today, DTI has three services: IT Consulting, Advisory, and Network Services. Advisory is the newest offering, where DTI can provide advisory services for project management, quality assurance, and organizational change management that are software agnostic. While it supports many industries, DTI is focused on Energy, state and local government/education (SLED), and Financial Services. Its experience working with energy firms includes ERP systems, smart meters, and integrating systems to accommodate mergers and acquisitions. Its SLED practice supports state and local governments, including a specialization in transit authorities, along with the needs of K-12 as well as higher education. For financial services organizations, such as JP Morgan Chase, DTI provides IT Consulting and Advisory services.
DTI has built strong relationships with its clients, large system integrators such as Accenture, Deloitte, PwC, and IBM, and software providers such as Oracle, SAP and ServiceNow. DTI has realized significant growth over the last few years following this strategy.
DTI continues to innovate and adjust to the market. It provides its clients high quality services at a reasonable price by recruiting and retaining highly desirable talent, keeping its overhead costs low with a lean and agile infrastructure, and striving to exceed its clients’ expectations.
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