• Architect, implement, and optimize enterprise WLAN solutions including site surveys (passive/active/predictive) • Design and support broader network infrastructures (LAN, WAN, SD-WAN) • Diagnose and resolve complex wireless issues including RF interference, roaming problems, coverage gaps, and client connectivity • Lead client-facing engagements, delivering wireless assessments, RF reports, heatmaps, and project presentations • Drive wireless network and security projects in collaboration with global teams and vendors, ensuring successful delivery in mission-critical environments

• Manage, troubleshoot, and optimize a range of network technologies, including Cisco and Nexus switches, Meraki, Palo Alto, and Check Point firewalls, physical and virtual F5 load balancers, and Cisco SAN switches. • Ensure network reliability, security, and performance while contributing to documentation and process improvement initiatives. • Quickly assess and resolve network-related incidents, ensuring minimal disruption to operations. • Conduct root cause analysis (RCA) and implement preventive measures to avoid recurrence. • Perform firmware updates, patches, and upgrades across all network devices. • Monitor network health and performance, identifying and addressing potential issues proactively. • Create and maintain detailed documentation, including Standard Operating Procedures (SOPs) and technical diagrams. • Provide timely updates and clear communication to stakeholders during incidents and maintenance activities. • Collaborate with cross-functional teams to ensure seamless integration of network services. • Participate in an on-call rotation to provide 24/7 network support when needed.

• Generate, review, redline, and revise technical network documents including design documents, systems engineering plans, and program deliverables. • Validate network designs against requirements, standards, and industry best practices. • Conduct rigorous quality assurance reviews for network modernization and refresh projects. • Collaborate with network engineers and architects to ensure documentation reflects actual configurations, baselines, and system behaviors. • Review and validate network configuration templates, implementation plans, and engineering specifications. • Assess and document network infrastructure requirements for new and existing systems in complex DoD environments. • Ensure full compliance with DoD standards, customer-specific documentation regulations, and program requirements. • Maintain configuration management standards and documentation records. • Create and update SOPs, TTPs, and technical knowledge articles. • Prepare technical documentation packages in response to engineering data calls. • Review security-related documentation such as patch plans, IAVA compliance reports, and vulnerability assessments. • Validate accuracy of network diagrams, topology maps, and infrastructure inventories. • Participate in design reviews, offering technical insights to strengthen network architectures. • Support program management teams with documentation for deliverable reviews and customer briefings. • Mentor junior engineers on quality assurance best practices and documentation standards. • Work independently with minimal supervision while maintaining high accountability and attention to detail.

Role Description Als Firewall & Network Spezialist schützt du, ohne auszubremsen. Du entwickelst Sicherheitsarchitekturen, die Business ermöglichen statt blockieren. Du denkst Risiko unternehmerisch und triffst Entscheidungen mit Weitblick. Du übernimmst Verantwortung, wenn es darauf ankommt. Aufgaben: - Sicherheitskonzepte entwickeln und umsetzen. Du etablierst Segmentierung, MFA und moderne Schutzmechanismen. - Security-Architekturen im Kundenumfeld bewerten und optimieren. Du erkennst Schwachstellen und leitest konkrete Maßnahmen ab. - Incident Handling unterstützen. Du analysierst Events und Logs und sorgst für nachhaltige Verbesserungen. - Security-Standards operationalisieren. Du begleitest Patch- und Update-Prozesse und stärkst kontinuierlich das Sicherheitsniveau. - Kunden beraten. Du erklärst Risiken verständlich und entwickelst tragfähige Lösungen. Qualifications - Mehrjährige Praxis im Bereich Firewall- und Netzwerk-Engineering (Build & Run). - Fundiertes Verständnis moderner Netzwerk- und Security-Konzepte (Segmentierung, VPN, Routing, Zero-Trust-Denken). - Deutschkenntnisse auf C1-Niveau (z. B. für Workshops & Kundendialoge) sowie solide Englisch-Skills. - Strukturierte, eigenverantwortliche Arbeitsweise und Freude an Professional-Services-Projekten. - Nice-to-have: Herstellerkenntnisse (z. B. Fortinet, Sophos, Cisco, Aruba, Dell), Azure Networking, EDR/XDR, SIEM; relevante Zertifizierungen oder die Bereitschaft dazu. Benefits - Absolute Flexibilität. Du arbeitest flexibel remote oder vor Ort – so, wie es für dich sinnvoll ist. - Gezielte Weiterentwicklung. Herstellertrainings und Zertifizierungen passend zu Deinem Schwerpunkt. - Mentoring durch erfahrene Kolleginnen und Kollegen. Fachlicher Austausch auf Augenhöhe. - Gesundheitsangebote wie Jobrad und Egym/Wellpass sowie moderne Ausstattung im Office und im Homeoffice. Company Description Wir, die SBIT AG, sind ein mittelständisches Systemhaus. Unsere Key-Themen sind: Digitalisierung, Cloud, Security, Mobility und IT as a Service.