Senior Software Engineer - Cybersecurity GE Healthcare Technologies Inc.Senior Software Engineer - CybersecurityWaukesha, WIMinimum of 3 years of experience building secure backend systems, such as: RESTful APIs, relational databases, Windows and Unix/Linux-based systems, and C# (or similar object-oriented languages). We are seeking a Senior Software Engineer with a strong cybersecurity focus to design, build, and evolve secure, resilient, and scalable software systems.
Software Engineer - Embedded Platform GE Healthcare Technologies Inc.Software Engineer - Embedded PlatformWaukesha, WIExperience with board bring-up, bootloaders, kernel configuration, device trees, device drivers, hardware abstraction layers, embedded platform debug, and hardware debug tools such as oscilloscopes, logic analyzers, protocol analyzers, JTAG/SWD debuggers, or similar equipment. Strong analytical and problem-solving skills, including the ability to break down ambiguous technical problems, document problem statements, estimate implementation and test effort, create reusable solutions, and drive issues to closure through structured engineering execution.
Senior Systems Engineer GE Healthcare Technologies Inc.Senior Systems EngineerWaukesha, WIProvide technical leadership and mentoring to systems engineering teams, influencing program priorities, development strategies, and execution plans across multiple product generations. The Senior Systems Engineer for Cardiology Systems is a cross-functional engineering leader, responsible for all systems engineering activities throughout the Cardiology Systems product development lifecycle.
Manufacturing Engineer - 1St Shift GE Healthcare Technologies Inc.Manufacturing Engineer - 1St ShiftWaukesha, WIMay include support roles with specialized technical field of knowledge; still acquiring higher level knowledge and skills. Bachelor's degree from an accredited university or college (or a high school diploma / GED with at least 6 years of relevant job experience.).
Senior Software Engineer GE Healthcare Technologies Inc.Senior Software EngineerWaukesha, WIWork with a cross-functional team of engineers, scientists, and applications experts to translate high level software computing needs that demand new computer capabilities into component-level requirements. Working across global software and service engineering teams, you will drive platform capabilities from concept through final product release.
Manufacturing Quality Engineer Allegion plcManufacturing Quality EngineerGreenfield, WI5-8 years of Quality Engineering experience of increasing responsibility in the areas of Quality Assurance, Quality Control, Supplier Quality Management, or related field, including at least 2 years of direct manufacturing, in plant experience. Demonstrated program management experience and in-depth process improvement and problem-solving experience (including expertise with tools and processes such as APQP, Lean, Six Sigma, PPAP, 8D, FMEA, VAVE, etc.).
Customer Engineer SentinelCustomer EngineerMilwaukee, Wisconsin$45,000–$60,000 / yearSentinel delivers solutions that can efficiently address a range of IT needs – from security, to communications, to systems & networks, to software applications, to cloud and managed services; all of which include our staffing solutions for our clients. The ideal candidate will have experience troubleshooting and repairing desktops and laptops, performing software re-imaging, and ensuring systems are fully functional and secure.
Results Management Industrial Engineer CVS Health CorpResults Management Industrial EngineerWI$46,988–$112,200 / yearOur teams reflect the customers, patients, members and communities we serve and we are committed to fostering a workplace where every colleague feels valued and that they belong. Additionally, lead and facilitate process improvement efforts that enhance productivity and labor utilization, while improving the overall customer experience.
Software Development Engineer CVS Health CorpSoftware Development EngineerWI$72,100–$144,200 / yearKey Technologies: Python, Java, JavaScript/TypeScript, REST APIs, Microservices, Docker, Kubernetes, GitHub, CI/CD, GCP, Generative AI, LLMs, OpenTelemetry, Snowflake, BigQuery, Kafka, and AI Agent Frameworks. The Software Development Engineer (SDE) will be responsible for designing, developing, testing, and maintaining scalable AI-powered applications, platform services, APIs, and automation solutions that support enterprise AI initiatives.
Project Engineer - Construction Zenith TechProject Engineer - ConstructionWaukesha, WisconsinWalbec produces high-quality construction materials and delivers unparalleled professional design, engineering and construction services at its six companies, including Payne and Dolan, Northeast Asphalt, Zenith Tech, Parisi, Premier Concrete, and Construction Resources Management. The Project Engineer will be responsible for assisting and supporting the Project Managers (PMs) and other key people within the organization with day-to-day tasks such as bidding, scheduling, contracts, billing and collection, etc.
Lead Supplier Quality & Development Engineer GE Healthcare Technologies Inc.Lead Supplier Quality & Development EngineerWaukesha, WIResponsible for leading Supplier Quality & Development activities within the Molecular Imaging & Computed Tomography business segment, supporting supplier selection, development, and monitoring across assigned suppliers and manufacturing sites. Act as a key escalation leader, supporting complex supplier quality issues, leading root cause investigations, and ensuring effective corrective and preventive actions.
Process Documentation Manufacturing Engineer (MES) InnioProcess Documentation Manufacturing Engineer (MES)Waukesha, WisconsinYou will work closely with engineering and production teams to translate processes into structured work instructions and MES (Manufacturing Execution System)based digital workflows, ensuring they are clearly defined, repeatable, and aligned with safety, quality, delivery, and continuous improvement goals. As electricity demand accelerates—driven by AI, electrification and grid constraints—INNIO enables scalable, behind‑the‑meter power generation with high efficiency, fast start capability, strong transient performance and fuel flexibility, including hydrogen‑ready solutions.
Lead Manufacturing Engineer InnioLead Manufacturing EngineerOak Creek, WisconsinAs electricity demand accelerates—driven by AI, electrification and grid constraints—INNIO enables scalable, behind‑the‑meter power generation with high efficiency, fast start capability, strong transient performance and fuel flexibility, including hydrogen‑ready solutions. INNIO operates a global installed base across approximately 100 countries as of December 31, 2025, supported by a resilient, high‑margin services business that delivers long‑term, recurring revenues across the full equipment lifecycle.
Lead Mechanical Design Engineer InnioLead Mechanical Design EngineerWaukesha, WisconsinAs electricity demand accelerates—driven by AI, electrification and grid constraints—INNIO enables scalable, behind‑the‑meter power generation with high efficiency, fast start capability, strong transient performance and fuel flexibility, including hydrogen‑ready solutions. INNIO operates a global installed base across approximately 100 countries as of December 31, 2025, supported by a resilient, high‑margin services business that delivers long‑term, recurring revenues across the full equipment lifecycle.
DevOps Engineer Fiserv SolutionsDevOps EngineerMilwaukee, WisconsinPrior experience must include: 4 years of scripting in Python, Bash, and Shell; 3 years coding with Java and Spring Boot; 1 year coding with NodeJS and React; Working with build and deployment tools, CI/CD, GIT, Gitlab, Maven, JIRA, Confluence, YAML and JSON; Working with cryptographic authentication methods including HMAC, OAuth, Certificates or Tokenization. Design and implement disaster recovery plans, test disaster response strategies to guarantee business continuity; and lead research and development initiatives to test and implement new technologies to enhance operational efficiencies and product innovation.
Manufacturing Engineer Standard Iron & Wire Works IncManufacturing EngineerWINew Product Introduction (NPI): Design and implement robust manufacturing processes tailored to customer specifications; develop detailed technical drawings, establish rigid quality specifications, and author comprehensive work instructions. Quality Leadership: Act as the primary technical interface for customer quality concerns; lead the end-to-end Root Cause Analysis (RCA) and Corrective Action (CAPA) processes for internal and external issues.
Senior Data Engineer Deloitte Touche Tohmatsu LtdSenior Data EngineerMilwaukee, WI$95,000–$150,000 / yearThe wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities.
NewCyber Forward Deployed Engineer - Senior Consultant Deloitte Touche Tohmatsu LtdCyber Forward Deployed Engineer - Senior ConsultantMilwaukee, WI$134,500–$265,100 / year1+ years of experience with one of the following Frontier Gen AI Platforms: Anthropic, Google or Open AI, including hands on experience with one of the following key platforms/products; Claude API, Claude for Enterprise, Claude Code, Gemini API, Vertex AI Agent Builder, Grounding, Google Workspace integration, GPT-4o, Assistants API, Responses API, OpenAI Agents. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities.
NewCyber Forward Deployed Engineer - Manager Deloitte Touche Tohmatsu LtdCyber Forward Deployed Engineer - ManagerMilwaukee, WI$155,600–$306,800 / year1+ years of experience with one of the following Frontier Gen AI Platforms: Anthropic, Google or Open AI, including hands on experience with one of the following key platforms/products; Claude API, Claude for Enterprise, Claude Code, Gemini API, Vertex AI Agent Builder, Grounding, Google Workspace integration, GPT-4o, Assistants API, Responses API, OpenAI Agents. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities.
NewLead Forward Deployed Engineer, Snowflake Deloitte Touche Tohmatsu LtdLead Forward Deployed Engineer, SnowflakeMilwaukee, WI$223,700–$372,900 / yearAt Deloitte, Forward Deployed Engineers (FDE) don't just build AI solutions, they help clients turn AI ambition into enterprise-scale impact, pairing leading class engineering with pod-based delivery and vertical expertise. If you thrive at the intersection of product, engineering, problem-solving, and client impact, this rol...
Principal Specialist, Platform Engineer RTX CorpPrincipal Specialist, Platform EngineerWIRemoteCollaborate with cross-functional teams to ensure smooth integration and successful solution delivery, leveraging workflows to maintain flow, transparency and continuous improvement. Write clean, testable, and efficient code with a strong emphasis on performance, scalability, maintainability, and comprehensive documentation to support long-term development and knowledge sharing.
Senior Forward Deployed Engineer, Snowflake Deloitte Touche Tohmatsu LtdSenior Forward Deployed Engineer, SnowflakeMilwaukee, WI$155,600–$306,800 / yearAt Deloitte, Forward Deployed Engineers (FDE) don't just build AI solutions, they help clients turn AI ambition into enterprise-scale impact, pairing leading class engineering with pod-based delivery and vertical expertise. Drive end-to-end sales and delivery support by developing demos/POCs, contributing to proposals and orals, articulating business value, and documenting solutions for smooth client handoff and knowledge transfer.
Pre Sales Field Engineer, Security and Fire Johnson Controls International PlcPre Sales Field Engineer, Security and FireMilwaukee, WI$70,000–$95,000 / yearThe BSSE Pre‑Sales Field Engineer (Security & Fire) is responsible for performing detailed site surveys, analyzing technical and environmental conditions, and developing accurate assessments and budgetary estimates for security and fire system installations and other duties as assigned. Maintains subcontractor relationships when required: Keeps active connections with local subcontractors and understands core security products to support smooth estimating and project execution.
Senior Software Development Engineer CVS Health CorpSenior Software Development EngineerWI$83,430–$222,480 / yearCVS Health Digital is looking for hands-on, passionate people who want to join a high energy and growing team to make a difference in customers' lives and who want to be on the forefront of digital innovation that aims to reinvent what a pharmacy and a health care company can be in the digital world. Currently, we are seeking a Senior Software Development Engineer with deep expertise in Java/JEE, Spring Boot, RESTful microservices, and Kafka to lead the design and development of scalable, secure cloud-native solutions.
Quality Engineer Standard Iron & Wire Works IncQuality EngineerWIMARGINAL JOB FUNCTIONS:• Maintain quality documentation, in accordance with established procedures, to ensure that all documents are filed, controlled, and made readily accessible to people who need the information. Actively participate in defining of inspection requirements, justification of acceptance limits and sampling plans to assure compliance with requirements.
Sr. Engineer Manufacturing - Medical Devices Merz North America IncSr. Engineer Manufacturing - Medical DevicesRacine, WICollaboration Work closely with cross-functional teams, including mechanical and electrical engineers, contract manufacturing organizations, quality, suppliers, and regulatory, to ensure device safety, manufacturability, compliance, compatibility, functionality, and serviceability. Process Improvements Lead and identify improvements in manufacturing equipment/process and product design to improve productivity and quality of current and future products while expecting cost reductions.
Python Engineer Allspring Global Investments Holdings, LLCPython EngineerMilwaukee, Wisconsin$100,000–$130,000 / yearFull timeAs part of a firmwide initiative to modernize investment technology platforms and data solutions, you will design, develop, and support enterprise-grade Python applications that enable investment, operations, and technology teams across the organization. In addition to base salary, the competitive compensation package may include, depending on the role, participation in an incentive program linked to performance (for example, annual discretionary bonus programs, or other annual or non-annual incentive or sales plans.).
Senior Analyst, Platform Engineer RTX CorpSenior Analyst, Platform EngineerWIRemoteProvide user onboarding and operational support for platform services - assisting new users with access, explaining platform capabilities, helping troubleshoot common issues, routing requests, and maintaining user‑facing documentation. At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems.
Mechanical Design Engineer - NPD Global Power ComponentsMechanical Design Engineer - NPDMilwaukee, WisconsinGlobal Power Components is a privately held, financially sound, growing manufacturer of UL heavy gauge steel fuel tanks, trailers, large generator enclosures, and modular metal enclosures for housing fully-equipped electrical distribution and control equipment. New Product Development & Product Redesign – Deliver robust, manufacturable, and cost-effective mechanical designs that support new product development and continuous improvement of existing products.
Forward Deployed Engineer- Palantir Deloitte Touche Tohmatsu LtdForward Deployed Engineer- PalantirMilwaukee, WI$134,500–$265,100 / yearAt Deloitte, Forward Deployed Engineers (FDE) don't just build AI solutions, they help clients turn AI ambition into enterprise-scale impact, pairing leading class engineering with pod-based delivery and vertical expertise. This requires a highly motivated practitioner who moves with speed and precision, building working software, engaging confidently with senior stakeholders and engineers to bring measurable business impact from day one.
Lead Forward Deployed Engineer, Palantir Deloitte Touche Tohmatsu LtdLead Forward Deployed Engineer, PalantirMilwaukee, WI$189,200–$372,900 / yearAs a Associate Vice President, Engineering and Product, you will serve as the senior practitioner-leader embedded directly with our most strategic clients, leading forward-deployed engineering pods that develop and deploy GenAI solutions into production for Deloitte's most strategic clients. At Deloitte, Forward Deployed Engineers (FDE) don't just build AI solutions, they help clients turn AI ambition into enterprise-scale impact, pairing leading class engineering with pod-based delivery and vertical expertise.
Senior Forward Deployed Engineer- AWS Deloitte Touche Tohmatsu LtdSenior Forward Deployed Engineer- AWSMilwaukee, WI$155,600–$306,800 / yearAt Deloitte, Senior Forward Deployed Engineers (SFDE) don't just build AI solutions, they help clients turn AI ambition into enterprise-scale impact, pairing leading class engineering with pod-based delivery and vertical expertise. Drive end-to-end sales and delivery support by developing demos/POCs, contributing to proposals and orals, articulating business value, and documenting solutions for smooth client handoff and knowledge transfer.
Forward Deployed Engineer - Databricks Deloitte Touche Tohmatsu LtdForward Deployed Engineer - DatabricksMilwaukee, WI$134,500–$265,100 / yearAt Deloitte, Forward Deployed Engineers (FDE) don't just build AI solutions, they help clients turn AI ambition into enterprise-scale impact, pairing leading class engineering with pod-based delivery and vertical expertise. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities.
Senior Forward Deployed Engineer- Databricks Deloitte Touche Tohmatsu LtdSenior Forward Deployed Engineer- DatabricksMilwaukee, WI$155,600–$306,800 / yearAt Deloitte, Senior Forward Deployed Engineers (SFDE) don't just build AI solutions, they help clients turn AI ambition into enterprise-scale impact, pairing leading class engineering with pod-based delivery and vertical expertise. Drive end-to-end sales and delivery support by developing demos/POCs, contributing to proposals and orals, articulating business value, and documenting solutions for smooth client handoff and knowledge transfer.
Remote Active Directory Engineer StratAcuity Staffing Partners IncRemote Active Directory EngineerFranklin, WIRemote$70–$80 / hourJob Description: High Level Deliverables: · Passwords Cleanup · Duplicate passwords · Duplicate administrator passwords · Compromised passwords · Account Clean up · Disabled Account Cleanup · Orphan Accounts identification and cleanup · Shadow Admin Cleanup · Permissions · DWP/WST default object permissions MUST be remediated · Remediate ESAT Permissions · Address Ownership Privileges on Tier 0 Objects · Default OU/Container Cleanup · Remove/Cleanup unknown SIDS from Policies and Permissions · Monitoring · Identify monitoring gaps and setup additional alerts and monitoring · Process improvement to maintain directory hygiene · Skillset · Primary Skills: Entra/AD/LDAP, PowerShell Scripting. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA.
Senior Manufacturing Engineer Whirlpool CorpSenior Manufacturing EngineerRacine, WIReliability Support: Contribute to the reliability engineering initiative by applying Design for Sustainability/Maintainability principles in the New Product Introduction (NPI) process and supporting World Class Manufacturing (WCM) initiatives related to Autonomous Maintenance (AM) and Professional Maintenance (PM). As the only major U.S.-based manufacturer of kitchen and laundry appliances, the company is driving meaningful innovation to meet the evolving needs of consumers through its iconic brand portfolio, including Whirlpool, KitchenAid, JennAir, Maytag, Amana, Brastemp, Consul, and InSinkErator.
PLC Engineer PPG Industries IncPLC EngineerOak Creek, WIThrough leadership in innovation, sustainability and color, PPG helps customers in industrial, transportation, consumer products, and construction markets and aftermarkets to enhance more surfaces in more ways than does any other company. Their responsibilities often include creating control system architectures, writing PLC code, troubleshooting complex issues, and ensuring the efficient and reliable operation of automated machinery and processes.
Senior IT Security Engineer UlineSenior IT Security EngineerKenosha, WIJoin Uline as a Senior IT Security Engineer and protect IT Security platforms for one of the largest e-commerce sites in the U.S. From designing and managing security solutions, to guiding business decisions, you'll keep our growing enterprise safe and resilient. Uline, a family-owned company, is North America's leading distributor of shipping, industrial, and packaging materials with over 9,800 employees across 14 locations.
Network Engineer UlineNetwork EngineerKenosha, WIAs a Network Engineer Team Lead at Uline, you'll drive the design, reliability and optimization for the Data Center network infrastructure across our growing North American company. Use your expertise to set technical direction, lead innovation and mentor a high-performing team to support one of the largest ecommerce operations in the U.S. Careers Packed with Potential.
NewNuuly Senior Software Engineer NuulyNuuly Senior Software EngineerWisconsinFull timeAs a Senior Engineer, you'll bring experience that extends beyond personal code contribution: leading design for moderately complex features, driving communication between teams, providing critical feedback, coordinating with others, and providing mentorship as needed. You’ll also need a reasonable amount of aptitude in designing and integrating Kubernetes services with cloud-based platform APIs such as Google Cloud Platform (GCP), AWS, or Azure focused on driving toward zero-downtime deployments.
Senior Sales Engineer - Public Healthcare - IL, WI, MN Cohesity IncSenior Sales Engineer - Public Healthcare - IL, WI, MNWI$186,200–$232,750 / yearCohesity helps organizations defend against cybersecurity threats with comprehensive data security and management capabilities, including immutable backup snapshots, AI-based threat detection, monitoring for malicious behavior, and rapid recovery at scale. This role is suited for a high-performing Sales Engineer who is building depth across security, data protection, cloud technologies, and regulated industry environments while expanding their ability to independently support complex customer engagements.
PTE Project Engineer & Technical Manager WSP Global IncPTE Project Engineer & Technical ManagerMilwaukee, WIThis role ensures technical training is developed to support safe, effective, and efficient work processes through a combination of technical understanding, project/client/team needs, and focused growth areas as defined by the PTE personnel and project management teams. Apply high-level electrical engineering techniques and processes to identify improvements for various infrastructure project phases involving more complex infrastructure engineering work, including concept development, preliminary design, final design, procurement, construction, and operation.
Environmental Engineer, Scientist, Or Geologist - Entry Level LanganEnvironmental Engineer, Scientist, Or Geologist - Entry LevelMilwaukee, WIBachelor's degree in Environmental Engineering, Environmental Science, or Geology; Minimum GPA of 3.0; 0-2 years of work-related experience; Prior relevant internship or professional work experience preferred; Applicants with an engineering degree are preferred to have EIT Certification, or current registration for FE exam; Strong technical education, professional demeanor, and desire to learn; Excellent written and verbal communication skills; Strong attention to detail with excellent analytical, multitasking, and judgment capabilities; Ability to effectively work independently and in a team environment; Possess a valid driver's license in good standing and reliable transportation access to remote job site locations; and. Perform routine and special calculations; Field oversight of remediation activities and subcontractors, ensuring compliance with job specifications; Identify and implement solutions to both routine and more complex field and/or laboratory problems and accurately document results; Communicate with supervisor on any problems encountered on project sites; Assist with the preparation of technical reports, specifications, and plans; data management and evaluation; and environmental assessment and remediation; and.
Automation Service Engineer II PPC Partners IncAutomation Service Engineer IINew Berlin, WIAs such the following values guide our behaviors: A Servant's Heart -- Focus on the Needs of Others, Wisdom -- Insightful, Integrity -- Honesty and Trustworthy, Courage -- Decisive and Confident in Others, Humility -- Modest and Respectful, Passion -- Unfailing Dedication. Deep expertise in automation and controls, including PLC & HMI programming, sensors, VFDs & motor controls, safety systems, IT system integration, and communication networks (Ethernet/IP, Profinet, Modbus, etc.).
Machine Safety Engineer Careers PPC Partners IncMachine Safety Engineer CareersNew Berlin, WIAs such the following values guide our behaviors: A Servant's Heart -- Focus on the Needs of Others, Wisdom -- Insightful, Integrity -- Honesty and Trustworthy, Courage -- Decisive and Confident in Others, Humility -- Modest and Respectful, Passion -- Unfailing Dedication. This position requires a decisive leader able to work independently and collaboratively with a passion for hands-on work and a strong drive for project management work, and mentorship of less experienced design engineers.
NewProject Engineer QPS Employment GroupProject EngineerFranksville, WIThis is an opportunity for an engineer who enjoys balancing technical design work, project management, and cross-functional collaboration while taking ownership of projects from concept through installation. We're currently working with a growing manufacturer in the Greater Milwaukee area that is looking to add a Project Engineer to its expanding engineering team.
Senior Territory Sales Engineer- Machine Tools Swift Placement & ConsultingSenior Territory Sales Engineer- Machine ToolsHartland, WIPremier Machine Tool Midwest is a growing, customer-focused distributor of premium CNC machine tools, tooling, and manufacturing solutions . To be determined based on candidate location and business needs (strong preference for candidates already based in the southern Wisconsin area with established manufacturing contacts).
Building Commissioning Engineer CAIBuilding Commissioning EngineerMilwaukee, WIAs a Commissioning Engineer, you will play a crucial role in ensuring the successful installation, startup, and testing of mechanical, electrical, plumbing, and control systems for complex projects. We provide commissioning, qualification, validation, start-up, project management and consulting services related to operational readiness to FDA regulated and other mission critical industries.
Knowledge Engineer - Back End Accenture PlcKnowledge Engineer - Back EndMilwaukee, WIWe Are: Accenture is a global professional services and solutions company that helps leading organizations reinvent with digital, cloud, data, and AI capabilities, drawing on its large global workforce, industry expertise, and ecosystem partnerships to create 360° value. You will work across the full back-end stack - architecting APIs, building data pipelines, managing multi-modal database systems, and owning the reliability and performance of the services that application and product teams depend on.
Cybersecurity Engineer (FedRAMP) US Remote Motorola Solutions IncCybersecurity Engineer (FedRAMP) US RemoteWisconsin, WIRemote$90,000–$100,000 / yearPerform system and network vulnerability scanning and analysis using automated and manual techniques with tools such as Nessus, ACAS, DB Protect, WebInspect, NMAP, and DISA STIGs/STIG Viewer. Utilize expertise in security engineering, secure architecture design, system and network security, authentication protocols, applied cryptography, and application security.