405 jobs for Operating Systems

Senior CyberSecurity Engineer I/II USD 115K-170K

Application Security | CIS Controls | Cloud Security | Digital forensics | Endpoint protection

Senior-level Full Time

Littleton, CO

13h ago

Reverse Engineer/Vulnerability Analyst MID USD 148K-215K

Agile | Android | Android Application Development | Android application | Application development

Mid-level Full Time

Chantilly, United States

19h ago

Penetration Tester 3 for NATO with security clearance A EUR 85K-85K

Application Security | Application penetration testing | Architecture Design | Blue Teaming | Cryptography

Senior-level Full Time

Mons, Belgium

22h ago

Field Service Cybersecurity Engineer EUR 38K-48K

Active Directory | Backup and Recovery | Control Loop Configuration | Control Systems | Control loop

On Call Service Allowance | Training provided | Travel opportunities | Weekend availability

Entry-level Full Time

SEREGNO, LOMBARDIA, Italy

23h ago

SOC Junior Analyst PLN 96K-144K

Bash | Cyber Kill Chain | DNS | EDR | Endpoint Security

On-the-job learning | Professional development

Entry-level Full Time

Warsaw, Poland

1d ago

Software Engineer USD 134K-175K

.Net Core | Algorithms | C# | C++ | Computer Systems

Senior-level Full Time

Ho Chi Minh City, Ho Chi …

1d ago

Information Security Consultant HKD 150K-200K

AI | Application Security | Change Management | Cloud Security | Control Assessment

Senior-level Full Time

Hong Kong, HK

1d ago

Cyber Security Architect GBP 61K-75K

Access Management | Cloud Fundamentals | Defense in Depth | EDR | Firewalls

Contributory pension scheme | Cycle to work | Dental insurance | Enhanced family leave | Enhanced sick pay

Senior-level Full Time

Gloucester, South Gloucestershire, United Kingdom

1d ago

Senior Reverse Engineer USD 142K-195K

Assembly | Binary Ninja | C# | C++ | Computer Architecture

Senior-level Full Time

USA, Beavercreek Township, 4027 Colonel Glenn …

1d ago

Manager, Red Team Services (Remote, GBR) GBP 62K-70K

Adversary Emulation | Automation | Burp Suite | Cobalt Strike | Command and control

Competitive vacation and holidays | Employee networks | Great Place to Work certification | Paid adoption leave | Paid parental leave

Mid-level Full Time

GBR Remote, United Kingdom R

1d ago

Threat Response Manager, Global CAD 98K-148K

CI/CD | Cloud Security | Computer Networking | Containers | Cyber Kill Chain

Career development | Hybrid work environment | Inclusive work environment | Total rewards package | Wellbeing support

Mid-level Full Time

Toronto - 18 York Street, Canada

1d ago

Cybersecurity Engineer (5314) USD 106K-115K

800-53 | Digital forensics | Encryption | Endpoint protection | FISMA

401k match | Dental insurance | Dependent care | Employee assistance programs | Employee wellness programs

Mid-level Full Time

Remote R

1d ago

Senior Cybersecurity Associate - GA - On Site USD 100K-130K

AWS | Business Continuity | Cloud Security | Disaster Recovery | Endpoint Security

On site work 5 days per week

Mid-level Full Time

Duluth, GA, US

1d ago

Threat and Vulnerability Engineer INR 1500K-2385K

Amazon Web Services | Bash | CVSS | Cloud platform | Data Analysis

Annual health checkups | Personal accident cover | Term life cover | Tuition reimbursement

Entry-level Full Time

Bangalore, India

1d ago

Senior Cybersecurity Analyst USD 140K-155K

AWS Security | Antivirus | Azure Security | Cloud Access Security Broker | Cloud access

After hours support required

Senior-level Full Time

Woburn, MA

1d ago

Software Engineering Leader - Security Assurance USD 187K-281K

Access Control | Authentication | Authorization | Black box testing | Black-box

Senior-level Full Time

San Jose, California, United States

1d ago

Junior Cybersecurity Specialist - Incident Response

CrowdStrike Falcon | Cybersecurity Framework | DDoS Protection | EDR | ESQL

Continuous learning | Hybrid work environment | On-call rotation | Training and career development

Entry-level Full Time

Ramat Gan, Tel Aviv District, 5252005, …

1d ago

Junior IT Security Administrator USD 65K-80K

Antivirus | Business Continuity | Disaster Recovery | Endpoint protection | HIPAA compliance

Entry-level Full Time

Louisville, KY, United States

2d ago

Technical Product Senior Auditor USD 106K-130K

Audit Programs | Audit Reporting | Audit Testing | IT Auditing | Information Technology

401k match | Dental insurance | Flexible spending accounts | Health Savings Account contribution | Hybrid work model

Senior-level Full Time

Scottsdale, United States

2d ago

Junior Systems Administrator A USD 80K-105K

AWS | Active Directory | Amazon EC2 | Amazon S3 | Ansible

Paid time off | Private health insurance | Thirteenth salary | Work from home

Mid-level Full Time

Dominican Republic - Remote R

2d ago

Capabilities Development Engineer USD 195K-264K

Assembly | C# | C++ | Device Drivers | Java

401k match | Dental insurance | Flex work week | Health insurance | Life insurance

Entry-level Full Time

USA MD Hanover - Customer Proprietary …

2d ago

Detection & Response Security Engineer USD 188K-282K

ClickHouse | Computer networks | Cryptography | Data Pipelines | Detection engineering

Senior-level Full Time

San Francisco

2d ago

Threat Detection and Incident Response Intern (Summer 2026) USD 76K-110K

Attacker TTPs | CI/CD | Incident Response | Operating Systems | Scripting

In-office internship | Mentorship

Entry-level Internship

In-Office

2d ago

Software Engineer USD 100K-215K

Authentication | Azure | C# | C++ | Cloud services

Mid-level Full Time

Redmond, WA, US

2d ago

Senior Software Engineer USD 119K-258K

Authentication | C# | C++ | Cloud services | Debugging

Senior-level Full Time

Redmond, WA, US

2d ago

Endpoint Security Analyst INR 1060K-1700K

Cloud Security | Cortex | CrowdStrike | DLP | Defender for Endpoint

Entry-level Full Time

Pune, Maharashtra, India

2d ago

Security Analyst INR 950K-1700K

Cloud | DLP | EDR | Hybrid Cloud | Incident Response

Entry-level Full Time

Pune, Maharashtra, India

2d ago

Software Engineer, IAM INR 1200K-1600K

Algorithms | Cloud Computing | Distributed Systems | Go | JavaScript

Donation-matching program | Flexible PTO | Flexible schedule | Medical coverage | Monthly lunch stipend

Mid-level Full Time

Hyderabad, Telangana, India

2d ago

Padawan Systems Security Researcher USD 60K-120K

AFL++ | Assembly | Build systems | C# | C++

Top-secret security clearance eligibility

None Full Time

Lexington, MA, United States

3d ago

Senior Consultant, Digital Forensics & Expert Services CAD 84K-144K

Axiom | Cellebrite | Chain of Custody | Cloud Forensics | Computer Networking

Domestic travel | International travel | Weekend availability

Senior-level Full Time

Toronto, ON, Canada

3d ago

Software Development Engineer PLN 174K-264K

Agile | Build systems | C plus plus | C# | CI/CD

Canteen | Charity and social events | Commute allowance | Employee referral program | Free parking

Mid-level Full Time

TCZEW, Poland R

3d ago

Senior Threat Intelligence Analyst (f/m/d) EUR 67K-100K

Cloud Security | Dark Web | Dark Web Intelligence | Forensics | Google Threat Intel

Senior-level Full Time

Oberkochen, Germany

3d ago

Lead Cyber Security Architect - Products

Attack vector analysis | Authentication | Development Lifecycle | Embedded Software | Encryption

Senior-level Full Time

China - Shanghai Office

3d ago

Vulnerability Remediation Coordinator USD 82K-141K

AWS | Azure | CVE triage | Cloud Security | Common Vulnerabilities and Exposures

Career growth opportunities | In-person collaboration | On-site work environment | Overtime as needed

Senior-level Full Time

Greenwood Village, Colorado, United States

3d ago

Information Security Officer (ISO 27001) USD 75K-137K

Awareness Training | Cloud Security | Cybersecurity | Endpoint protection | Firewalls

Mid-level Full Time

Houston, TX

3d ago

Intern - GRC, EIS TWD 504K-636K

AI Concepts | Audit Support | Automation | Backup and Recovery | C#

Entry-level Full Time Internship

Taipei - MTT office, Taiwan

3d ago

Senior IT Auditor USD 88K-148K

Application Controls | Configuration controls | Data analytics | ERP | Firewalls

Senior-level Full Time

Tirana, AL, 1000

3d ago

Junior Reverse Engineer USD 80K-115K

Assembly Language | Binary Ninja | C# | C++ | Computer Architecture

Entry-level Full Time

USA, Beavercreek Township, 4027 Colonel Glenn …

3d ago

Digital Forensics Engineer III USD 135K-216K

Cellebrite | Chain of Custody | Data Privacy | Data preservation | Deleted file recovery

Senior-level Full Time

United States

3d ago

Technology and Systems Administrator USD 90K-149K

Automation systems | Building Automation Systems | Building automation | Command Line | Configuration Management

Mid-level Full Time

USA-VA-Portsmouth

3d ago

Assistant Cloud Administrator for the Division of HPD TECH USD 115K-127K

Access monitoring | Azure CLI | Azure Databases | Azure Scale Sets | Azure Storage

Entry-level Full Time

New York City, NY, United States

3d ago

Vice President, Internal Audit – Information Security GBP 58K-75K

AIX | Access Management | Application Controls | Audit Testing | Audit planning

401k match | Annual flu vaccinations | Dental coverage | Development sessions | Discounted gym membership

Entry-level Full Time

London, England, United Kingdom

3d ago

Incident Response (IR) Tech Lead USD 160K-190K

Advanced Persistent Threats | Automation and response | Computer Networking | Correlation Analytics | Data Analysis

24x7x365 operations environment | Ability to work weekends and holidays | US citizenship required

Senior-level Full Time

Bethesda, MD, United States

4d ago

Information Security Analyst II USD 68K-86K

Access Controls | Access Governance | Access Management | Access provisioning | CIS

401k matching | Bonus eligible | Dental insurance | Disability insurance | Employee assistance program

Mid-level Full Time

WI-West Bend US-WI-Madison US-WI-Appleton, United States R

4d ago

Information Systems Security Manager (ISSM) USD 115K-175K

Access Control | Acquisition Lifecycle Security | Acquisition lifecycle | Application Security | Assessment and Authorization

Active secret clearance | Travel to client site

Mid-level Full Time

Mechanicsburg, PA, United States

4d ago

Penetration Tester INR 2829K-3380K

Application Security | Automation frameworks | Burp Suite | Database security | Ethical Hacking

Hybrid work environment | Remote work options

Senior-level Full Time

hyderabad, India

4d ago

Senior Penetration Tester INR 2829K-3880K

Application Security | Automation | Burp Suite | Database security | EDR evasion

Hybrid work | Remote work options

Senior-level Full Time

hyderabad, India

4d ago

Specialist Software Engineer INR 2250K-3200K

Angular | Best practices | Docker | Eclipse | Git

Senior-level Full Time

India-Mumbai

4d ago

Sr. Engineer, Platform Threat Intelligence USD 153K-166K

Adversary Tradecraft | Data analytics | Detection engineering | Networking | Operating Systems

Fully remote | Hybrid option | Periodic travel

Senior-level Full Time

Remote - Virginia, United States R

4d ago

Advanced Software developer_Cybersecurity_POSIX/QNX INR 1567K-4110K

ASPICE | AUTOSAR security | Agile | Automotive Ethernet | Bazel

Creche facility | Employee assistance program | Fitness club access | Food cards | Health insurance

Senior-level Full Time

IND - India Tech Center

4d ago

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