Systems Integration Engineering
Integration work starts with an inventory of every application, database, file share and external service the business depends on. TOOJMAC LLC records what each system stores, which systems copy its data, where manual keying still happens and which interfaces break most often. That inventory becomes the integration map.
From the map the team designs a connective layer built on explicit contracts. Point-to-point scripts are replaced with versioned services, message queues and scheduled exchanges that fail visibly rather than silently. Each interface carries validation, retry logic, dead-letter handling and a reconciliation job that proves the records match at the end of the day. The estate gains a single place to look when numbers disagree.
Deliverables include an interface register, contract documentation, test harnesses and monitoring rules. Clients keep the source, the deployment scripts and the right to operate the integration layer themselves.
Run R1
Application Development Services
Where packaged software cannot fit a process, TOOJMAC LLC builds the tool. Engagements cover internal line-of-business applications, client portals, intake and scheduling systems, document workflows and the back-office utilities that quietly hold a firm together. Requirements are captured as user journeys with agreed acceptance checks before development begins.
Delivery runs in short increments. Each increment ends with working software the client can open, test and comment on, which keeps the design honest and prevents a large reveal at the end. Security controls, accessibility and audit logging are written into the first increment rather than added later. Data models are reviewed against the wider estate so a new application does not create the next integration problem.
Every application is handed over with environment documentation, deployment scripts, automated tests and a support runbook. The practice can also take on maintenance of an application it did not write, following a code and risk review first.
Run R2
Cloud Platform Architecture
Cloud architecture at TOOJMAC LLC is designed before it is purchased. The team defines network boundaries, identity and access models, storage tiers, compute patterns, backup windows and recovery targets, then models the monthly cost of the proposed design against real usage. Migration is planned in waves so each workload can be moved, verified and if necessary returned.
Landing zones and platform components are held as code. A new environment is created from the repository rather than rebuilt by hand, which makes environments reproducible and reviews meaningful. Guardrails are placed at the account and network level so a misconfiguration is caught by the platform rather than discovered in an invoice or an incident. Cost allocation tags are applied from the first day so spend can be attributed to the service that caused it.
The engagement closes with a platform reference document, a cost model, a recovery plan that has been rehearsed and a clear route for future workloads to be onboarded by the client team.
Run R3
Data and Analytics Engineering
Analytics fails when definitions disagree. TOOJMAC LLC begins with a definitions workshop: what counts as a client, an active job, a completed transaction, a billable hour. Those definitions are written down, owned and versioned before any pipeline is built.
Pipelines are then built to carry data from source systems into a warehouse or lakehouse with lineage recorded at every step. Operational databases are protected from reporting load by separating the analytical layer, and transformations are tested so a schema change in a source system raises a failure rather than silently corrupting a report. Models are shaped around the decisions leadership actually makes, not around the shape of the source tables.
Dashboards ship with a data dictionary and a freshness indicator so a reader can see what is included and how current it is. The practice also builds reconciliation checks between operational systems and the warehouse, which is the fastest way to find a broken integration before a client does.
Run R4
Security Review Programmes
A security review programme is a repeating cycle rather than a single audit. TOOJMAC LLC inventories identities, privileges, network paths, endpoints and data flows, then tests the estate against an agreed control baseline drawn from recognised frameworks and the expectations of the client sector.
Findings are ranked by exploitability and business impact, each with a remediation route, an owner and a target date. The team distinguishes between a control that is missing and a control that exists but is not effective, because the two require very different work. Where a finding cannot be fixed for operational reasons, the risk is recorded with a formal acceptance decision so the choice is visible rather than forgotten.
The programme also prepares evidence packs for audits, insurance renewals and client questionnaires. Because the evidence is collected continuously, answering a questionnaire becomes a matter of assembling material that already exists. Reviews repeat on a fixed cadence, which turns security from a seasonal scramble into routine maintenance.
Run R5
Managed IT Services
Managed IT Services covers the steady work that keeps an estate healthy between projects: operating system and application patching, backup verification, restore testing, monitoring, alert triage, certificate and domain renewal, capacity review and user administration.
TOOJMAC LLC runs defined response windows and keeps a live asset register with ownership, criticality and end-of-life dates for every component. Monitoring is tuned so alerts correspond to conditions a human should act on, which keeps the on-call channel trustworthy. Changes follow a lightweight approval route with an emergency path, so a genuine incident is never delayed by procedure.
Reporting is plain and regular. The monthly report lists the work performed, incidents handled, trends observed and risks still open. Clients retain ownership of systems, credentials and data throughout, and can end the service with a documented handover rather than a dependency.
Run R6