F5 Network Engineer

Posted Yesterday
Be an Early Applicant
Hiring Remotely in United States
Remote
80K-128K Annually
Senior level
Aerospace • Information Technology • Security • Cybersecurity • Defense
Do the can't be done.
The Role
Implement, configure, maintain, troubleshoot, and optimize F5 BIG-IP load-balancing infrastructure across distributed data centers and LAN/WAN environments. Manage virtual servers, SSL/TLS, iRules, certificates, HA failover, upgrades, monitoring, and network diagnostics. Administer Cisco, Juniper, and Infoblox infrastructure; support routing, switching, DNS, IPAM, documentation, security compliance, maintenance windows, and on-call escalations. The role requires U.S. citizenship and eligibility for an agency security clearance.
Summary Generated by Built In
Responsibilities

Peraton is seeking an F5 Engineer to join our team. In this role, you will be responsible for the implementation, configuration, maintenance, troubleshooting, and optimization of F5 technologies supporting our network infrastructure. You will work closely with network and infrastructure teams to ensure reliable and secure application delivery across the Customer’s Data Centers and MAN/WAN sites. The ideal candidate is a detail-oriented engineer with strong troubleshooting skills, the ability to manage multiple priorities, and a commitment to maintaining the performance, availability, and security of the network environment.

Responsibilities:
  • Deploy, license, and configure F5 BIG-IP LTM hardware.

  • Maintain Virtual servers,Pools,Nodes,Custom monitors and Persistence profiles

  • Manage SSL offloading, SSL bridging, and secure cipher suite configurations.

  • Author, optimize, and troubleshoot custom iRules (TCL-based) to handle:

    • Advanced traffic steering

    • URI redirects

    • Header manipulation

    • Specialized security workarounds

  • Manage the lifecycle of SSL/TLS certificates, including:

    • CSR generation

    • Certificate deployment

    • Automated renewal cycles on BIG-IP devices

  • Perform deep-packet and L3-L7 diagnostics for:

    • Complex application delivery issues

    • High latency

    • Routing issues

    • SSL handshake failures

  • Utilize advanced tools such as:

    • Wireshark

    • tcpdump

    • F5 iQuery

    • F5 Analytics

  • Execute TMOS operating system upgrades, hotfixes, and backup restorations using UCS/SCF configuration archives.

  • Design and test failover mechanics in High Availability (HA) topologies, including:

    • Device Service Clustering (DSC)

    • Active/Standby setups

  • Utilize F5 iControl REST APIs for programmatic control and monitoring.

  • Recommend enhancements to improve systems availability and performance.

  • Offer recommendations for procedural upgrades.

  • Provide network administration and support for a campus-wide area network infrastructure.

  • Maintain experience with:

    • TCP/IP protocol suite

    • IP subnets and masking

    • Routing protocols

  • Work in Local Area Network (LAN) and Wide Area Network (WAN) environments.

  • Design, configure, and troubleshoot Routing and Switching systems.

    • Cisco expertise required.

  • Maintain security and ensure compliance with security policies and procedures.

  • Provide on-call support for off-hours data center escalations.

  • Perform regular scheduled out-of-hours maintenance window support.

  • Maintain and manage network IP address management (IPAM)

Qualifications

Required Qualifications:

  • 5 years with a Bachelor’s degree or 9 years with a HS Diploma
  • 5 years of hands-on experience in the implementation and administration of complex, multi-location, multi-vendor, converged voice/data networks in a geographically distributed environment
  • Must have in-depth hands-on experience on F5 Load Balancers in real world complex environments
  • Hands-on experience in administering Cisco routers & switches including but not limited to Nexus 9xxx, Catalyst 9000, Cisco ONS, Cisco ACI and DNA Center. Juniper MX routers and EX switches. Infoblox DDI appliances
  • Good understanding of network principles and the OSI model
  • Experience managing networks, internal and external DNS, and the associated IP infrastructure
  • Experience working in a Data Center
  • Experience administering and configuring monitoring tools for proactive alerting and trends analysis
  • Experience in working with support ticketing systems, managing assigned tickets, as well as providing appropriate follow-up
  • Experience with creating and maintaining documentation
  • Experience with the use of Data Center inventory management tools
  • Must be a US Citizen
  • Must be able to obtain and maintain the required agency clearance
Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Target Salary Range$80,000 - $128,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

Skills Required

  • Bachelor’s degree with 5 years of experience, or high school diploma with 9 years of experience
  • 5 years of hands-on experience implementing and administering complex, multi-location, multi-vendor converged voice/data networks in geographically distributed environments
  • In-depth hands-on experience with F5 load balancers in complex production environments
  • Experience administering Cisco routers and switches, including Nexus 9000, Catalyst 9000, Cisco ONS, Cisco ACI, and DNA Center
  • Experience administering Juniper MX routers and EX switches
  • Experience administering Infoblox DDI appliances
  • Understanding of network principles and the OSI model
  • Experience managing internal and external DNS and associated IP infrastructure
  • Data center experience
  • Experience administering and configuring monitoring tools for proactive alerting and trend analysis
  • Experience using support ticketing systems and managing assigned tickets through follow-up
  • Experience creating and maintaining technical documentation
  • Experience using data center inventory management tools
  • U.S. citizenship
  • Ability to obtain and maintain the required agency security clearance

Peraton Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Peraton and has not been reviewed or approved by Peraton.

  • Healthcare Strength Healthcare offerings are described as broad, including medical, dental, vision, mental health support, and specialty programs like virtual physical therapy and surgical/cancer care navigation. Medical coverage is also characterized as a standout part of the overall package in terms of perceived quality.
  • Retirement Support Retirement support includes a 401(k) with employer matching and is repeatedly positioned as a strong component of total rewards. The 401(k) benefit is frequently singled out as one of the most valued parts of the package.
  • Leave & Time Off Breadth Time-off benefits are positioned as robust, including PTO, holidays, paid sick days, and floating holidays, with some roles offering notably generous accrual. Leave breadth is reinforced by related programs such as short/long-term disability and bereavement leave.

Peraton Insights

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The Company
HQ: Reston, VA
18,000 Employees
Year Founded: 2017

What We Do

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Why Work With Us

We are fearlessly solving the world’s most complex challenges to keep people safe and secure. You can be a part of protecting and promoting that freedom around the world.

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