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Best Cyber Security Companies to Work for in Chicago, IL (69)

Caterpillar
Artificial Intelligence • Cloud • Internet of Things • Software • Cybersecurity • Industrial
Cat Digital uses digital technologies to help Caterpillar Inc. customers build a better, more sustainable world.

Cat Digital is the digital and technology arm of Caterpillar Inc., responsible for bringing digital capabilities to our world-famous yellow iron. With over 1.5M connected assets worldwide, our teams use data, technology, advanced analytics and AI capabilities to help our customers build a better world.

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Caterpillar

Caterpillar's Top Workplace Perception Strengths

Compensation: Pay is considered competitive, supported by incentives and a broad Total Rewards package. Publicly described offerings include medical/dental/vision coverage, 401(k), paid time off, parental and adoption leave, tuition reimbursement, and related programs.

Career Growth: Mobility across functions and locations is emphasized through structured development and rotational programs that enable long-term progression. Employee communities and learning offerings (including language programs and ERGs) further support skill-building and networking.

Mission & Purpose: Work is often framed as meaningful, tied to building equipment and energy solutions that power infrastructure and transportation, alongside a sustainability roadmap. This purpose orientation—paired with a safety-first ethos—resonates with those who value tangible industrial impact.

PwC
Artificial Intelligence • Professional Services • Business Intelligence • Consulting • Cybersecurity • Generative AI
Grow here. Go further.

Build what’s next — with tech that matters PwC provides professional services across Audit and Assurance, Advisory and Tax — powered by a global network of over 370,000 people in 149 countries. You may know us for our business expertise, but technology is core to how we help clients move faster, build trust and deliver meaningful outcomes. As a technologist, you’ll work...

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PwC

PwC's Top Workplace Perception Strengths

Learning & Development: Structured programs like the PwC Professional, coaching, and extensive upskilling (including AI) enable rapid skill-building and clear progression. Early exposure to complex, blue-chip client work accelerates experience.

Career Growth: A defined ladder with mentorship and mobility across practices offers advancement and strong résumé value. Brand recognition and prominent employer accolades reinforce career capital.

Benefits & Perks: Comprehensive US benefits include medical/dental, a 401(k) match, paid parental leave with a phased return, mental‑health resources, and firmwide shutdown weeks. Hybrid options and flexibility tools are emphasized through My+.

Boeing
Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
33 Offices
170,000 Employees
110 Benefits
Explore New Horizons

A leading global aerospace company and top U.S. exporter, Boeing develops, manufactures and services commercial airplanes, defense products and space systems for customers in more than 150 countries. Our U.S. and global workforce and supplier base drive innovation, economic opportunity, sustainability and community impact. Boeing is committed to fostering a culture based on our core values of safety, quality and...

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Boeing

Boeing's Top Workplace Perception Strengths

Mission & Purpose: Work on aircraft, spacecraft, and defense systems at global scale is portrayed as uniquely consequential, creating a clear sense of purpose and pride. Large, long‑lived programs across commercial and defense add visibility and impact.

Benefits & Perks: First‑day eligibility for many benefits, a strong 401(k) match, tuition assistance via the Learning Together program, and well‑being resources are emphasized. Offerings span health coverage, family support, and flexibility that vary by job family, location, and union status.

Learning & Development: Structured rotations, safety/quality upskilling, and exposure to certification and regulatory work provide uncommon systems experience. Internal transfers and varied paths across business units support ongoing development.

CSC
Fintech • Legal Tech • Software • Financial Services • Cybersecurity • Data Privacy
41 Offices
8,500 Employees
99 Benefits Hiring Now
CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world.

CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world. With more than 8,000 employees, CSC operates in more than 140 jurisdictions, delivering solutions that help businesses thrive. We pride ourselves on our client-focused approach, market-leading expertise, and unmatched global reach.

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CSC

CSC's Top Workplace Perception Strengths

Work-Life Balance: Flexible time and location options for certain roles and a "flexibility‑within‑a‑framework" approach are highlighted alongside supportive managers. Feedback suggests many teams achieve a reasonable balance through hybrid or remote arrangements.

Benefits & Perks: Comprehensive medical/dental/vision coverage, paid time off, parental leave, retirement savings, and wellness programs are prominently offered. Feedback suggests benefits are a strong draw and are praised even when other aspects receive critique.

Team Support: Colleagues are often described as collaborative, ego‑free, and willing to help across functions. Feedback suggests a supportive culture where managers and peers facilitate learning and day‑to‑day problem solving.

Mastercard
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
We are a global technology company in the payments industry.

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help...

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Mastercard

Mastercard's Top Workplace Perception Strengths

Benefits & Perks: Benefits are described as comprehensive, with generous parental leave, strong retirement contributions, well‑being resources, paid volunteer time, and a time‑boxed “work from elsewhere” option. Careers materials also point to robust medical coverage and hybrid flexibility, with specifics varying by country.

Learning & Development: Structured offerings such as leadership academies, AI upskilling, internal talent marketplaces, and early‑career programs signal sustained investment in growth. Experimentation and skill-building are encouraged alongside opportunities to move across functions and geographies.

Values & Integrity: Culture is explicitly anchored in The Mastercard Way and a “Decency Quotient,” with ethical standards embedded in codes and governance. Purpose‑led initiatives and volunteering are consistently highlighted as part of how work gets done.

Huntress
Information Technology • Cybersecurity
Huntress is people-powered cybersecurity for all businesses, not just the 1%.

Founded in 2015 by former NSA cyber operators, Huntress protects all businesses—not just the 1%—with enterprise-grade, fully owned and managed cybersecurity products at the price of an affordable SaaS application. The Huntress difference is our One Team advantage: our technology is designed with our industry-defining Security Operations Center (SOC) in mind and is never separated from our service. We protect...

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Huntress

Huntress's Top Workplace Perception Strengths

Mission & Purpose: The mission to bring enterprise‑level security to smaller organizations, blending human‑led threat hunting with automation, is presented as meaningful and customer‑impactful. Founder‑operator roots and hands‑on incident response history reinforce the sense of purpose.

Work-Life Balance: A fully remote, asynchronous operating model with core collaboration hours and periodic summits is positioned to provide flexibility and sustainable rhythms. Candidates who prefer distributed work with clear ownership and fewer meetings are likely to find the setup supportive.

Team Support: Colleagues are often described as collaborative, ego‑free, and supportive, with intentional rituals, transparent communication, and visible recognition reinforcing a people‑positive atmosphere. Programs like Huntress Academy and coaching further encourage cross‑team connection and growth.

TransUnion
Big Data • Fintech • Information Technology • Business Intelligence • Financial Services • Cybersecurity • Big Data Analytics

TransUnion is a global information and insights company that makes trust possible by ensuring that each consumer is reliably and safely represented in the marketplace. We do this by having an accurate and comprehensive picture of each person. This picture is grounded in our legacy as a credit reporting agency which enables us to tap into both credit and public record...

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TransUnion

TransUnion's Top Workplace Perception Strengths

Mission & Purpose: Work is anchored in “Information for Good,” with mission-driven projects across credit, identity, and fraud that have tangible consumer and customer impact; recent launches and acquisitions indicate opportunities to contribute to visible, scaled products.

Benefits & Perks: Benefits are portrayed as comprehensive and people-first, including paid parental leave with a phased return, mental-health resources, caregiver support, and a robust network of employee resource groups.

Work-Life Balance: Flexible time off, hybrid/remote options, and wellness days are emphasized in company materials, signaling structural support for balance across many roles.

Capco
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
24 Offices
6,000 Employees
87 Benefits Hiring Now
Be Yourself at Work, Make a Difference, and Act with Integrity are our values at Capco.

Capco, a Wipro company, is a global management and technology consultancy specializing in driving transformation in the energy and financial services industries. Capco operates at the intersection of business and technology by combining innovative thinking with unrivalled industry knowledge to fast-track digital initiatives for banking and payments, capital markets, wealth and asset management, insurance, and the energy sector. Capco’s cutting...

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Capco

Capco's Top Workplace Perception Strengths

Belonging & Inclusion: Culture centers on “Be Yourself At Work” with visible ERGs and inclusion programs, fostering authenticity and openness. Colleagues are often seen as supportive and approachable, creating a friendly, community feel.

Learning & Development: Structured programs like the Associate Talent Program, Milestone Schools, and mentorship/coaching provide clear pathways to build skills and progress. Early‑career and return‑to‑work pathways are emphasized, with training and certifications available between projects.

Team Support: Day‑to‑day collaboration is often characterized by friendly coworkers and leaders who are accessible and invested in helping others succeed. Examples of peer support and community involvement are common, including pro‑bono Impact Consulting initiatives.

Parsons Corporation
Information Technology • Security • Cybersecurity
33 Offices
14,420 Employees
31 Benefits Hiring Now

Parsons is a digitally enabled solutions provider with a focus on making the world safer, smarter, healthier, more sustainable, and more connected. Founded in 1944, Parsons primarily serves the defense, security, and infrastructure markets. Uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services, the corporation delivers state-of-the-art solutions to federal, regional, and local government agencies as...

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Parsons Corporation

Parsons Corporation's Top Workplace Perception Strengths

Mission & Purpose: Mission-driven, high-impact work is emphasized across national security, cyber, transportation, and critical infrastructure programs, with deployments that can be tangible in the real world. Frequent large contract awards and acquisitions are framed as keeping the portfolio technically active and consequential.

Market Position & Stability: Business scale and a diversified contract portfolio are presented as supporting resilience and a steady work pipeline, even with periodic guidance noise. Multi-year contracts and continued wins are positioned as enabling internal mobility and longer-horizon planning.

Benefits & Perks: Flexible work options are described as including hybrid arrangements where eligible, a 9/80 schedule option, and an employee stock purchase plan discount. Benefits and quality-of-life programs are portrayed as a meaningful part of the overall employment proposition when client constraints allow.

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WEBIT Services, Inc.
Artificial Intelligence • Cloud • Information Technology • Business Intelligence • Cybersecurity
Naperville
43 Employees
25 Benefits
Empowering Purpose-Driven Organizations Through Technology Support, Service & Strategic Guidance.

You rely on technology every day, but is it really working for you? Maybe it feels like IT is just one more thing holding your business back. You’ve dealt with recurring issues, sluggish support, missed opportunities, and rising security risks. You’ve invested time and money, but it’s not translating into real progress—or a competitive advantage. You want more than a vendor. You want a...

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WEBIT Services, Inc.
ShadowTech Labs
Information Technology • Security • Software • Consulting • Cybersecurity • Defense • Utilities
Willowbrook
14 Benefits
ShadowTech Labs protects our nation's most critical infrastructure.

ShadowTech Labs is a technology-first engineering firm, distinguished by its highly skilled and innovative staff, who possess deep experience in regulated, critical infrastructure environments. Our team combines software engineers, systems architects, and nuclear security experts—each committed to mission assurance, regulatory compliance, and operational excellence. Over the past decade, our engineers have made significant contributions to advancements in surveillance technologies and...

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ShadowTech Labs
strongDM
Cloud • Security • Software • Cybersecurity
41 Offices
155 Employees
27 Benefits

Founded in 2015, we help companies big and small alike manage and audit access to their databases, servers, clusters, and web applications.

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strongDM
Focal Point Data Risk
Information Technology • Cybersecurity
6 Offices
217 Employees

Focal Point Data Risk, formerly Cyber Risk Management (CRM), is a leading data risk management services company.

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Focal Point Data Risk
Head of Security
Security • Software • Cybersecurity • Defense
Chicago
5 Employees
Head of Security LLC is a premier security risk management consulting firm

Head of Security LLC is a premier security risk management consulting firm dedicated to safeguarding your assets, operations, personnel, and reputation. Specializing in physical, operational, personal, and business security management, our team of highly skilled Security Management Consultants provides tailored, actionable solutions. Through in-depth threat risk assessments, strategic recommendations, and comprehensive implementation, we equip businesses, organizations, properties, and communities with robust...

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Head of Security
PCS International
Cybersecurity
Inverness
36 Employees

Reclaim your time and focus on your business by leaving the IT solutions to us. PCS International is a comprehensive solution provider satisfying the Information Technology hardware, software, and professional service requirements for small & medium businesses. We are committed to offering cutting-edge technologies with outstanding customer support at a great value.

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PCS International
Veeam
Cloud • Security • Software • Cybersecurity
16 Offices
4,172 Employees
39 Benefits Hiring Now

Veeam provides a single platform for modernizing backup, accelerating hybrid cloud and securing data. Veeam has 400,000+ customers worldwide, including 82% of the Fortune 500 and 69% of the Global 2,000. Veeam’s 100% channel ecosystem includes global partners, as well as HPE, NetApp, Cisco and Lenovo as exclusive resellers, and boasts more than 35K transacting partners worldwide.

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Veeam

Veeam's Top Workplace Perception Strengths

Market Position & Stability: A top player in data protection with strong alliances and meaningful scale, with category leadership and expansion moves that signal durable demand and career relevance.

Innovation & Products: Active push into security and AI “trust,” plus platform‑broadening acquisitions and alliances, creates interesting, high‑impact work and exposure to modern problem spaces.

Benefits & Perks: Comprehensive healthcare options, immediate retirement match, flexible/unlimited PTO with recharge days, paid parental leave, and role‑dependent remote/hybrid flexibility support well‑being.

Federal Bureau of Investigation
Hardware • Information Technology • Internet of Things • Security • Cybersecurity • Defense
20 Offices
32 Benefits

This is the official Federal Bureau of Investigation (FBI) BuiltIn account and is used to build awareness of workplace culture, engagement opportunities, and the FBI mission. The FBI does not collect comments or messages through this account. The FBI is the premier law enforcement agency in the world. We are an intelligence-driven, outcome-focused national security organization. Steeped in a history...

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Federal Bureau of Investigation
TradingBlock
Artificial Intelligence • Blockchain • Fintech • Database • Financial Services • Cybersecurity • Big Data Analytics
Chicago
25 Employees
16 Benefits
TradingBlock develops customizable online brokerage and trading solutions for individual and professional traders.

TradingBlock was recently named the 2025 Best Brokerage for Options Trading by Benzinga based on our commitment to providing investors, active traders, and investment professionals intuitive, fully customizable brokerage and trading solutions.

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TradingBlock
Parkar Digital
Cloud • Information Technology • Cybersecurity
4 Offices
200 Employees
16 Benefits

Parkar Mission: Creating a new paradigm, Defining our karmic culture Parkar Digital is a Hybrid-first company dedicated to hiring, retaining, and developing high-performing employees and teams with diverse backgrounds. We are a digital transformation and software engineering company headquartered in Atlanta, USA, and have our engineering teams across the US, India, and Latin America. Our solutions are powered by the Parkar...

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Parkar Digital
Hidden Brains InfoTech
Artificial Intelligence • Information Technology • Machine Learning • Software • Cybersecurity • App development • Generative AI
9 Offices
749 Employees
6 Benefits
AI Consulting and Custom Enterprise Software Development Company

Since 2003, Hidden Brains has been at the forefront of custom enterprise software development, harnessing the power of AI and next-gen technologies to deliver smart, scalable solutions. We support companies of all sizes—from bold startups to established enterprises—on their journey toward complete digital transformation. With a strong foundation in technologies like AI, ML, Cloud, DevOps, and Blockchain, we empower startups and...

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Hidden Brains InfoTech

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