Enterprise Network Security Specialist
24 hours ago
The Digital Modernization Sector at Leidos seeks a seasoned Enterprise Network Security Specialist to support wide area networks (WANs) and local area networks (LANs). This position will provide critical boundary protection to an enterprise-level infrastructure across multiple classifications, acting as a subject matter expert in boundary technologies.
The ideal candidate will maintain the security and networking of enterprise boundary enclaves and devices, ensuring seamless integration with various vendors' equipment and applications. Key responsibilities include:
- Maintaining the security and networking of enterprise boundary enclaves and devices
- Installing software, applying patches, managing file systems, and monitoring performance of firewall systems
- Providing support for Palo Alto, Cisco Adaptive Security Appliance (ASA), and Forcepoint firewall equipment and applications
- Generating, determining impact of, and implementing custom proxy policies and/or policy exceptions in response to ongoing technology implementation activities on the program
- Serving as Proxy Subject Matter Expert (SME) for integration of other technologies within the program
- Supporting troubleshooting of web connectivity problems to determine root cause
- Performing Proxy solution component upgrades, testing, and configuration
- Researching and developing evidence collection, protection, and analysis techniques for customer-owned and maintained hardware and/or software
- Providing real-time monitoring and alerting of security incident investigations on perimeter/internal infrastructure
- Providing day-to-day Operations and Maintenance (O&M) support for all incident management events and outages
- Collaborating with IT staff on projects and initiatives
- Providing input for monthly progress and status reporting of Service Level Agreements (SLAs)
- Working with all corresponding technical support teams as required to resolve network traffic concerns
To be successful in this role, the candidate must possess:
Required Skills and Qualifications:- TSA/SCI with Polygraph clearance
- At least 16 years of experience, which can be a combination of work history and education (equivalent to a Doctorate and 8 years, Master's and 10 years, Bachelor's and 12 years, Associate's and 14 years, or HS diploma and 16 years)
- 7 years of relevant boundary protection experience delivering fault-tolerant data network infrastructure solutions and incident response
- IAT Level 2 certification
- Experience in configuring and troubleshooting boundary protection technologies such as Palo Alto, Cisco ASA, and Forcepoint appliances
- Experience with proxy technologies like Bluecoat proxies or equivalent applications
- Working knowledge of routing and networking fundamentals
- Understanding of boundary protection best practices
- Demonstrated ability to engineer and modify rulesets to allow connectivity for new requirements
- Working knowledge of Service Now or similar IT Service Management (ITSM) products
- Superior verbal and written communication skills
- Intermediate-level knowledge of MS Office products Word, Excel, PowerPoint, and Visio
$87,100 - $157,450 per year
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