F5 Security Engineer - Active TS/SCI with CI Poly
Company: ENS Solutions, LLC
Location: San Antonio
Posted on: February 20, 2026
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Job Description:
Job Description Job Description Participate in the development
and support of customer technical requirements Champion a
collaborative, team-based environment, sharing standard
methodologies and success and building positive relationships Plan,
Design, Develop, Implement and Operate F5 products such as LTM,
ASM, BIG-IQ and APM Manage the configuration on multiple physical
and virtual F5 across multiple data centers Develop scripts and
tools to automate configuration of a large number of network
security devices distributed across multiple data centers Propose
and implement system enhancements that will improve the performance
and reliability of the network security infrastructure Applies
capacity planning configuration changes as demanded by the business
Address performance, scalability, and service architecture
administration issues Design, install, configure, maintain network
security services, equipment and devices Plan and support network
security infrastructure Provide clear technical documentation and
written procedures for issues identified and addressed Monitoring
and troubleshooting of platform and OS based problems, network
security infrastructure and connectivity issues Perform launch
testing for new software releases and the introduction of new
features Coordinate equipment orders including physical or virtual
appliances, as well as upgrading, monitoring, testing and servicing
the systems as needed Demonstrates knowledge of a broad range of
technology towers i.e.: Storage, Virtualization, Intel, Networking,
Data Center Migration and Disaster Recovery Knowledge of risk and
controls landscape, ensuring company-wide standards are met
Participate in change and incident management Anticipating
potential problems and acting to minimize the impact they may have
on the project or unit Ability to collaborate with different
technology towers to achieve common goals Requirements Bachelor’s
degree in computer science, information systems,
telecommunications, or an engineering focused field Must have an
Active TS/SCI and willing to obtain a CI Poly 5 years of relevant
F5 experience with F5 LTM, ASM, BIG-IQ, and/or APM administration
and life cycle management including experience with advanced iRule
creation and troubleshooting Ability to handle multiple complex F5
configurations and deployments at once Understanding of networking
at all layers of the OSI model; and Previous experience with web
application technologies Experience deploying, managing, and
troubleshooting network systems, switching, and routing protocol
standards such as: TCP/IP, MPLS, OSPF, BGP, SDN, and 802.1x.
Experience managing and troubleshooting DNS, DHCP, IPAM, and NTP in
a large multi-site environment Ability to manage multiple stands of
work simultaneously. Executes within a customer-centric
environment. Excellent verbal and written communication skill Hands
on experience with Python and APIs Self-driven with the ability to
manage workload without direct supervision Must have the F5 201
certification 8570 IAT Level II Certification required Preferred
Skills/Qualifications Experience with Infoblox DDI, Microsoft DNS,
Dyn, VMWare Automation products (vRO, vRA) Benefits Essential
Network Security (ENS) Solutions, LLC is a service-disabled veteran
owned, highly regarded IT consulting and management firm. ENS
consults for the Department of Defense (DoD) and Intelligence
Community (IC) providing innovative solutions in the core
competency area of Identity, Credential and Access Management
(ICAM), Software Development, Cyber and Network Security, System
Engineering, Program/Project Management, IT support, Solutions, and
Services that yield enduring results. Our strong technical and
management experts have been able to maintain a standard of
excellence in their relationships while delivering innovative,
scalable and collaborative infrastructure to our clients. Why ENS?
Free Platinum-Level Medical/Dental/Vision coverage, 100% paid for
by ENS 401k Contribution from Day 1 PTO 11 Paid Federal Holidays
Long & Short Term Disability Insurance Group Term Life Insurance
Tuition, Certification & Professional Development Assistance
Workers’ Compensation Relocation Assistance
Keywords: ENS Solutions, LLC, Georgetown , F5 Security Engineer - Active TS/SCI with CI Poly, IT / Software / Systems , San Antonio, Texas
