San Francisco Network Engineer · Senior, On Call
Most Bay Area businesses don’t need a full-time network engineer — but when they need one, they need a real one. Cisco-certified, Fortinet-certified, 20+ years of network-only practice. Available for design, redesign, troubleshooting, multi-site operations, and ongoing engineering retainer. Serving San Francisco, the Peninsula, East Bay, and the broader Bay Area.
Track Record
We only do networks. That is not a limitation — it is why the outcomes are different.
Years of network-only practice. Architecture, security, and operations — not IT generalism.
Sites delivered. Healthcare clinics, law offices, financial branches, multi-site operations.
Unplanned downtimes following network redesigns. Every implementation, with the precision it requires.
Senior engineer–led. No junior handoffs. No ticket queue. No escalation chain.
Career aggregate. The 20+ years and 300+ sites span the operator’s full network-only practice, including prior-employer engagements. Zero unplanned downtimes reflects post-redesign performance on engagements where the architecture standard described above was applied.
Why Companies Hire a Network Engineer Like This
Bay Area businesses face a particularly acute version of the network engineering gap: a full-time senior network engineer in San Francisco runs $180k–$220k loaded, plus six-month recruiting cycles. Most mid-market and growth-stage companies don’t actually need 40 hours/week of network engineering — they need 5–20 hours/month with surge capacity for projects. Fractional senior engineering fixes that gap at a small fraction of the cost.
Cisco-certified, Fortinet-certified, CompTIA-certified. 20+ years exclusively on networks — architecture, security, and operations. Past engagements include Fortune 500 networks; the same caliber of engineering, applied to mid-market Bay Area organizations. Verifiable, not "we have a guy."
FortiGate firewalls, Cisco Catalyst switching, Aruba/Cisco wireless, Juniper SRX, Arista 7000 series. Multi-vendor environments are the norm in real Bay Area businesses, particularly companies that have grown through acquisition or absorbed legacy infrastructure. Your engineer should be able to work in whatever you actually have.
Three engagement modes: Project (network redesign, multi-site rollout, vendor migration — defined scope, fixed timeline); Retainer (ongoing engineering on call, typically 5–20 hrs/month); Network Risk Assessment (one-time assessment, written report). Pick whichever fits your situation.
Bay Area B2B SaaS and fintech companies face SOC 2 audit cycles, customer security questionnaires, and the kind of network-controls scrutiny enterprise customers require before signing. Every change starts with a documented design and ends with documented evidence. The diagrams, configs, and decision records become assets your security team can actually use.
Bay Area Hiring Market Context
A full-time senior network engineer in San Francisco currently runs $180k–$220k loaded (cash + benefits + tax + equipment). For a mid-market or growth-stage Bay Area company that doesn’t actually need 40 hours/week of network engineering, that’s the wrong allocation of headcount budget. Fractional engineering through a service relationship covers the same skill at a fraction of the run-rate.
Even when you can budget for a full-time senior network engineer, finding one in the Bay Area currently takes 4–6 months. Recruiter fees, hiring manager time, candidate slate management, multi-round technical interviews, offer negotiations against competing offers. Service engagements don’t require any of that — you scope, contract, and start in weeks.
Even after the hire, retention is harder in the Bay Area than in any other metro. Competitors with bigger budgets are always recruiting your engineers. Service relationships through a company are inherently more durable than employment relationships in this labor market.
Bay Area B2B SaaS, fintech, biotech, and healthcare-adjacent companies all live under continuous compliance scrutiny. Network controls show up on every audit and in every customer security questionnaire. We engineer the network with that scrutiny as the default lens, not as an add-on workstream when audit season arrives.
Engineering Work
Concrete deliverables, not vague "managed services." These are the work types Bay Area clients engage us for.
Inherited or accumulated network not performing? We redesign to a documented standard: HA firewall pairs, aggregated cores, dual-homed access, segmented broadcast domains. Diagrams, configs, and a change-staging plan that gets you from where you are to where you need to be without taking sites down.
SF HQ plus offices across the Peninsula, East Bay, and beyond, running ad-hoc configs that no one has documented. We standardize: same vendor, same config template, same monitoring. New sites become a documented playbook instead of a fire drill. Particularly valuable for companies that have grown through acquisition.
Moving from SonicWall to FortiGate, from Meraki to FortiAP, from a legacy MPLS to SD-WAN. Migration plans that minimize downtime, with rollback paths. Real engineer staging, testing, and cutover — not a vendor rep with a quote.
A complete review of your current network: configs, segmentation, drift, security posture, compliance gaps. Written report, prioritized recommendations, yours to keep regardless of whether you continue with us. Common entry point for Bay Area businesses evaluating engineering relationships.
Bay Area B2B SaaS lives or dies on SOC 2 audit cycles and enterprise customer questionnaires. We produce the network-controls documentation auditors and customers actually want — segmentation diagrams, access control matrices, change-history evidence — in the format they expect.
Ongoing senior engineer availability. Typical retainer: 5–20 engineering hours per month, used for changes, troubleshooting, architecture review, and capacity planning. Your internal team has someone to call when something goes sideways — and someone to validate plans before they ship.
Service Area
On-site work and remote operations across the SF Bay Area — San Francisco proper, the Peninsula, East Bay, and South Bay.
Ambio IT Solutions LLC maintains its registered business address in San Francisco’s Financial District. Engineering operations are conducted across the Bay Area and remotely; on-site visits are scheduled as project work requires.
Our Approach
No mystery. No black box. Every step is documented, explained, and approved before execution.
A complete risk assessment of your current network. Configurations reviewed. Segmentation validated. Gaps documented. You get a clear picture — not a sales pitch.
Address critical risks first, then build toward a standardized architecture. Every change documented, tested, and deployed without disruption.
Ongoing monitoring, change management, and architectural review. The network does not just work today — it evolves with your operations.
Your Engineer
Not a team of rotating technicians. Not a ticket queue. One named senior engineer who knows your environment, your compliance requirements, and your business context — from assessment through ongoing operations.
The person who designs your network is the person who maintains it. No handoffs. No abstraction. No loss of context when something breaks at 2 a.m.
Background: Founder, ex-Meta. Past engagements include Cisco, Wells Fargo, Fannie Mae, and other Fortune 500 networks — the same caliber of engineering, now applied to mid-market organizations.
Ambio Edge Networks works with industry-leading networking and security vendors to deliver the infrastructure your operations depend on.
Who Hires Us
Common shapes: B2B SaaS companies preparing for SOC 2 audits, multi-site businesses whose general MSP has hit a ceiling, growth-stage tech companies whose network was set up by a contractor years ago, and biotech/life-sciences firms with specialized lab-network requirements.
Growth-stage SaaS companies whose customer pipeline starts requiring SOC 2 or whose enterprise deals stall on security questionnaires. We take ownership of the network-controls portion: documentation, segmentation, evidence, audit prep. The work that auditors actually look at, done by an engineer with audit experience.
SF HQ plus offices across the Peninsula, East Bay, or nationally — with no documented network architecture and an internal team trying to keep up. We standardize, document, and operate. Particularly common for Bay Area companies that have grown by acquisition or geographic expansion without proper network architecture investment.
Mission Bay, Genentech corridor, the Peninsula biotech belt — lab networks have unusual requirements: instrument-network isolation, validated environments, FDA 21 CFR Part 11 alignment, zero tolerance for downtime that disrupts long-running experiments. We design networks that meet those constraints without forcing your scientists to think about networking.
SF-based fintech and traditional financial services face PCI-DSS aligned network controls, audit-ready evidence, segregated cardholder data networks. Whether you’re a venture-backed fintech or an established asset manager in the Financial District, the network controls scrutiny is real.
Common Bay Area shape: $20M–$200M revenue tech company, internal IT person handling devices and Microsoft 365, no one with deep network engineering. We become the on-call network engineering function without you needing to recruit (which would take 6 months) or fully replace your IT person.
SF is one of the largest legal markets in the country. Client-required security questionnaires, confidential matter data, segregated network paths for sensitive document handling. Architecture firms, engineering consultancies, accounting practices — same shape of need, same documentation discipline.
FAQ
A loaded full-time senior network engineer in San Francisco runs $180k–$220k/year, plus 6-month recruiting cycles. Most mid-market and growth-stage Bay Area businesses don’t need 40 hours/week of network engineering — they need 5–20 hours/month, with the ability to surge during projects. Fractional senior engineering at a monthly retainer covers what a full-time hire would, at a fraction of the cost.
Most Bay Area MSPs sell ongoing managed services packages (help desk + monitoring + device management). The buyer is comparison-shopping vendors. A network engineer engagement is different: you’re hiring a specific person with verifiable engineering credentials to do specific engineering work — redesign, project execution, on-call expertise. Closer to a contract architect than a service vendor.
Most Bay Area engagements start with a Network Risk Assessment ($X,000 fixed-fee, 2–4 weeks, written report). From there: either a defined-scope project (redesign, migration, multi-site rollout) or a monthly engineering retainer (5–20 hours/month for ongoing access). Some clients keep the assessment, fix the issues themselves, and only re-engage on specific projects later. That’s a fine outcome too.
Yes — this is the most common pattern. Your IT person or general MSP keeps doing what they do (help desk, Microsoft 365, devices, etc.). We handle the network engineering layer they can’t cover at depth. Communication paths get defined up front so we’re not stepping on each other.
Cisco Certified, Fortinet Certified, CompTIA Certified. 20+ years of network-only practice. Past Fortune 500 enterprise engagements. Fortinet Engage Advocate Partner. Verifiable certifications, real engineering background — not a generalist with a Fortinet partner badge.
Direct. We produce the network-controls documentation auditors and enterprise customers actually want — segmentation diagrams, access control matrices, change-history evidence — in the format they expect. Most Bay Area B2B SaaS clients are in continuous SOC 2 audit cycles plus quarterly customer questionnaires. We make the network-controls portions of those reviews straightforward.
Start the Engagement
One engineer, one written report, one set of prioritized recommendations. Whether you bring us in for the project that follows or not, the assessment becomes a real working document for you. The fastest way to get a senior network engineer’s eyes on your environment.
Response from a senior engineer within 1 business day.
A direct conversation — no sales team, no runaround.
An honest assessment of whether we are the right fit.
Clear next steps if we are — no pressure if we are not.
