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Security Principal Engineer

Job in Sacramento, Sacramento County, California, 95828, USA
Listing for: C1
Full Time position
Listed on 2026-06-21
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity
  • Engineering
    Systems Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 150000 - 200000 USD Yearly USD 150000.00 200000.00 YEAR
Job Description & How to Apply Below

C1 Company Overview

C1: 1 Contact, 1 Connection, 1 Choice

C1 is the foremost, single-source provider of advanced communications and data technology for business. That means if it’s digital, we connect our customers to it -- from phone systems and hardware to computer networks, application development, managed solutions and more. And we’re 100% passionate with designing, implementing, managing and supporting our customers’ every need from end to end, so that they can focus on what they do best.

So, when it comes to joining a team of IT and communications technology pros who are empowered to do what they do best, your best choice -- your #1 choice -- is C1.

Overview

The Security Principal Engineer provides technical leadership, guidance and mentorship for a team of network engineers ranging in skill from junior to senior level. The position requires at a minimum 60% project based billable utilization and 40% team leadership.

Responsibilities
  • Deploys, migrates, and documents post-sales engagement with customers based on C1 best practices
  • Assists in the delivery of support and services to customer’s expectations as proposed
  • Participates in the design, implementation and administration of Cisco infrastructure and related solutions
  • Troubleshoots problems including: security-related issues (firewalls, IPS, understanding of common protocols in security like IPSec, SSL, TLS, HTTP(s), ftp, etc.), routing and switching, protocol problems, and performance issues across a distributed segmented network infrastructure with multiple security zones
  • Creates As Built Visio diagrams and technical write up for deployed solutions
  • Assists and mentors team in developing specific network, security and wireless solutions; and detailed implementation plans
  • Provides team mentorship, guidance and support;
    Provide technical guidance to the team based on management direction
  • Facilitates and conducts product demonstrations, webinars and presentations to customers
  • Serves a focal point to communicate and resolve integration issues with Sales Engineers
  • Assists the sales team with pre-sales and post-sales opportunities
Qualifications
  • Must have extensive knowledge of high performance data center solutions, network infrastructure LAN/WAN, network security, and enterprise wireless infrastructures
  • Expert knowledge of Cisco Routers (ISR GEN1/2), Switches (including NEXUS and Catalyst Line), Security Appliance is a must (FTD, ASA, ISE, IPS, Prime MARS, NAC)
  • Strong knowledge of VPN IPSec/SSL solutions and hands‑on deployment experience
  • Strong knowledge of AMP for endpoints, Umbrella, Stealthwatch, Firepower and hands‑on enterprise deployment experience
  • In‑depth knowledge of Cisco IOS, NXOS and other technical configurations
  • Experience with monitoring, alerting and management tools such as:
    Ethereal, Solarwinds, Orion Network Monitor, hpOpen View
  • Hands on experience with wired/wireless ISE deployments, ASA, Firepower, AMP, Prime Infrastructure, Security posture assessment, and Security Policy generation
  • Nexus experience: 9K, 7K, 5K, 2K, 1K
  • Extensive troubleshooting experience on Tier4 issues such as Cisco TAC
  • Strong customer facing skills with ability to work on latest Cisco technologies
  • Collaborate with Cisco SE’s and internal teams to design solutions and improve them based on field results
  • Ability to work under extreme pressure and available on weekends
  • Ability to travel 10%-30% of the time
  • Preferred Cisco Certified Systems Engineer (CCIE) or demonstrated depth of knowledge and experience
Desired/Preferred Qualifications
  • Cisco Certified Systems Engineer (CCIE) Security
  • Cisco Certified Security Professional (CCSP)
Additional Information

C1 BENEFITS

  • 401(k) Plan (35% employer match per dollar up to 10% employee contribution)
  • Medical Coverage (3 platforms: United Healthcare, Reference Based Pricing includes member advocacy; and Kaiser)
  • RX Home Delivery
  • HSA with Employer Contribution
  • In‑vitro Fertility (treatment coverage)
  • Dental
  • Vision (2 plans: 12-month and 24-month frames allowance)
  • FSA Plans (Healthcare, Dependent Care and Limited Purpose)
  • Pre-tax Commuter Plans
  • Employer-paid Life Insurance
  • Employer-paid Short + Term Disability
  • Long Term Disability (2 plans: Employer-paid or…
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