If you have been watching network and security reqs scroll by this quarter, you have probably noticed the language changed. It is not "VPN administration" anymore. It is ZTNA, microsegmentation, SASE policy engineering, and device posture checks. Same req categories, different skill bar entirely.
This is not a rebrand. Organizations are physically ripping out concentrator-based remote access and replacing it with identity-aware, per-session access brokers. The reqs reflect real migrations happening right now, with real timelines, and real gaps in staff who have actually done this work end to end rather than read about it.
If your resume still leans on firewall rule management and site-to-site tunnels, this article is your map for the next 90 days.
What "zero trust" means once it hits a requisition
Zero trust as architecture, not marketing, boils down to a handful of concrete engineering tasks. When you see it on a req, it usually decomposes into these buckets:
- ZTNA deployment: replacing legacy VPN concentrators with brokered, per-application access that authenticates every session rather than trusting a network segment.
- Microsegmentation: breaking flat internal networks into policy-controlled zones so lateral movement after a breach is contained, not free-roaming.
- Device posture enforcement: checking patch level, disk encryption, EDR agent status, and certificate presence before granting access, not just a username and password.
- Policy engineering: writing and maintaining the actual access rules — who, what app, what conditions, what device state — inside the broker or SASE console.
- SASE consolidation: merging SD-WAN, secure web gateway, CASB, and ZTNA into a single cloud-delivered platform instead of a stack of point products.
Federal guidance has pushed this timeline along. OMB memorandum M-22-09, the federal zero trust strategy released in January 2022, set target architecture milestones for civilian agencies and pulled a wave of contractor and integrator demand along with it. If you are bidding into federal-adjacent work, verify the current milestone status directly on CISA's zero trust maturity model page before quoting it in an interview — agencies move at different paces and the model has been revised since release.
ZTNA replacing legacy VPN: the actual migration work
This is the single biggest driver of new reqs right now. Legacy VPN gives a user a routable IP on the internal network. ZTNA gives a user a broker-mediated tunnel to one specific application, re-verified continuously. The migration is not a flip of a switch — it is weeks of parallel-running both systems while applications get onboarded one by one.
Consultants who have done this know the real pain points: legacy apps that do not play well with proxy-based access, SSO integration edge cases, and user groups who need exceptions documented and time-boxed. If you can speak to onboarding a legacy thick-client app into a ZTNA broker without breaking it, that is an interview-winning story, not a buzzword.
The vendor ecosystems actually showing up in postings
Reqs cluster around a small number of platforms. Knowing which ecosystem a client runs tells you what to study before the first call.
| Ecosystem | Where it shows up | What to know |
|---|---|---|
| Zscaler (ZPA/ZIA) | Enterprise and large mid-market SASE rollouts | ZPA app connectors, policy segments, client connector troubleshooting |
| Palo Alto Prisma SASE | Shops already running Palo Alto firewalls | Prisma Access, GlobalProtect transition, Panorama policy integration |
| Cisco (Duo + Secure Access) | Cisco-heavy networking environments | Duo posture checks, Cisco Secure Access, ISE integration for segmentation |
| Netskope | Data-sensitive industries, CASB-first buyers | Inline DLP combined with ZTNA, cloud app policy tuning |
| Cloudflare One | Digital-native and mid-market companies | Access policies, WARP client rollout, Gateway DNS filtering |
| Fortinet FortiSASE | Cost-conscious orgs with existing Fortinet gear | FortiClient posture, SD-WAN plus SASE convergence |
| Microsoft Entra (Global Secure Access) | Microsoft-stack enterprises | Conditional Access tied to network-layer enforcement, not just app sign-in |
Note the split from identity-lifecycle work here. This is network-layer access control — session brokering, posture, and segmentation. If your background is provisioning and deprovisioning accounts or managing entitlement reviews, that is IAM territory, a different lane with different reqs. Zero trust network reqs want people who can engineer the access path itself.
What microsegmentation work actually asks of you
Microsegmentation reqs are less about buying a product and more about mapping traffic. Before any policy gets written, someone has to answer: what talks to what, over which ports, and why. That discovery phase — often run through tools like Illumio, Guardicore (now part of Akamai), or VMware NSX — is where consultants earn their rate. Clients do not need someone who can install an agent. They need someone who can read a traffic map, challenge a legacy assumption ("why does the print server talk to the domain controller on that port?"), and write a policy that does not break production on day one.
If you have done VLAN design, ACL cleanup, or firewall rule rationalization, you already have the core instinct. The shift is moving that instinct from perimeter rules to identity- and workload-aware policy inside a flat network.
Transferable skills that get a network or cloud engineer into this lane fast
You do not need to start from zero. Map what you already have:
- Firewall and ACL experience maps directly to policy engineering in a ZTNA broker console.
- SD-WAN deployment history is the other half of most SASE builds — the platforms bundle it in.
- IAM/SSO integration exposure (SAML, OIDC) is required to wire ZTNA access to identity providers, even though the lane itself is network, not identity.
- Cloud networking skills (VPCs, transit gateways, private link) translate well since most SASE platforms are cloud-delivered and need cloud-side peering.
- Scripting for policy-as-code (Terraform providers now exist for several SASE platforms) separates mid-level candidates from senior ones fast.
For certifications, vendor-specific credentials move faster than vendor-neutral ones right now: Zscaler's ZDTA, Palo Alto's PCNSE or Prisma-specific tracks, and Cisco's CyberOps or SASE specialization badges are the ones recruiters are actually screening against this quarter. Check each vendor's current certification page directly — naming and tiers shift often.
Josh Pros LLC works with consultants moving into zero trust and SASE roles every month and can tell you which platforms are live in which markets right now. Reach out to contact@joshpros.com or visit https://joshpros.com if you want a straight read on where your current skill set lines up.
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