286 jobs for Operating System

Operations/C2C Analyst USD 90K-124K

ASA | Access Control | Alerting | Architecture Diagrams | Brocade switches

Interim Secret Clearance Process | Secret Clearance or Better | Shift work

Mid-level Full Time

Sierra Vista, AZ, United States

13h ago

Team8 Stealth Cyber Startup- Founding Vulnerability Researcher

AI Security | Application Security | Cloud Security | Go | Identity Security

Founding team role | In-person work | Ownership culture | Research talks publications

Mid-level Full Time

Tel Aviv-Yafo, Tel Aviv District, IL

22h ago

DevSecOps Engineer INR 2156K-3440K

Azure | Azure DevOps | Bash | Bicep | CI/CD

Senior-level Full Time

Thane, Maharashtra, India

22h ago

IT Manager USD 75K-90K

Access Management | Access reviews | Antivirus | Asset Management | Backup and Restore

Mid-level Full Time

Remote - USA, United States R

1d ago

System Administrator 3 | TS/SCI w/ poly Security Clearance USD 140K-170K

Capacity Planning | Client-Server | Client/server networking | Hardware Troubleshooting | Linux

401k match | Company paid life insurance | Dental insurance | Flexible work options | Health insurance

Senior-level Full Time

Annapolis Junction, MD

1d ago

System Administrator 1 | TS/SCI w/ poly Security Clearance USD 100K-210K

Capacity Planning | Help desk | Linux | Network Administration | Operating System

401k match | Company paid life insurance | Company-paid disability insurance | Dental insurance | Health savings account

Mid-level Full Time

Annapolis Junction, MD

1d ago

Database Administrator Level 3 USD 80K-123K

Access Control | Backup and Restore | Bash | Database Administration | File systems

401k | Dental insurance | Education assistance | Health care | Life insurance

Mid-level Full Time

Oklahoma City, OK, 73169, US

1d ago

Systems Engineer 2 USD 83K-126K

Active Directory | Architectural Diagrams | Azure | Cloud technologies | Data Center Technologies

Retirement matching 403b | Vacation time starting day 1

Entry-level Full Time

Fresno, CA, United States

2d ago

Professional Infrastructure Analyst EUR 32K-40K

Agile | Automation | Compliance Manager | Device Compliance | Device inventory

Hybrid work

Mid-level Full Time

Peru

2d ago

Internship: Group Operations & Technology, Technology Information Security Office - Cyber Security Operations [August - December 2026] SGD 57K-57K

Alert triage | Cyber Security | Detection engineering | Incident Response | Network fundamentals

Community initiatives | Flexible benefits | Learning and professional development

Entry-level Full Time Internship

SGP-Head Office, Singapore

2d ago

Senior Manager - IT Security Operations INR 600K-800K

Alert triage | Application Firewall | BGP | Capacity Planning | Cause analysis

Senior-level Full Time

Gurugram - DLF Building, India R

2d ago

Security Engineer, Offensive Security USD 60K-90K

Automation | Burp Suite | Caido | Computer Networking | DNS

Mid-level Full Time

Clark, Pampanga

2d ago

Sr Principal Eng, CyberSecurity INR 2486K-4144K

Agile | At Rest Encryption | C# | C++ | Cipher suites

Senior-level Full Time

BANGL/RND - BANGALORE R&D, India

2d ago

Systems Engineer, TS/SCI with Polygraph USD 119K-162K

Commercial Cloud | Commercial Cloud Enterprise C2E | Enterprise Information Technology | Enterprise Information Technology EIT | IBM MVS

401k company match | Paid Holidays | Paid certifications | Paid education | Paid vacation

Mid-level Full Time

USA VA McLean - Customer Proprietary …

2d ago

Senior Embedded Software/Firmware Engineer USD 112K-182K

ASIC | Bare Metal | Bare Metal Development | C# | Cryptographic algorithms

Senior-level Full Time

Ruston Office, United States

2d ago

Senior Software Security Engineer EUR 42K-84K

Binary formats | Buffer overflow | C# | C++ | Crypto++

Challenging projects | Collegial culture | Flex work

Senior-level Full Time

Dublin, IE

2d ago

Senior Systems Security Engineer (Cyber Product Owner) - P3 (Onsite) USD 86K-165K

Agile | Assured compliance assessment solution | Authority to Operate | Backlog Management | CEH

Flexible work schedule | Paid time off | Relocation assistance

Senior-level Full Time

US-MA-WOBURN-WB2 ~ 225 Presidential Way ~ …

2d ago

Principal Systems Security Engineer (Cyber Product Owner) - P4 (Onsite) USD 107K-204K

Account Management | Agile | Agile Framework | Assured compliance assessment solution | Assured compliance assessment solution (ACAS)

Flexible work schedules | Paid time off | Relocation assistance

Senior-level Full Time

US-MA-WOBURN-WB2 ~ 225 Presidential Way ~ …

2d ago

Systems Security Specialist USD 67K-120K

Application Security | Detection Systems | Intrusion Detection | Intrusion detection systems | Logon Authentication

401k plan | Accident insurance | Critical illness insurance | Daycare FSA | Dental insurance

Mid-level Full Time

Tallahassee, Orlando, Jacksonville, Miami and Tampa

2d ago

Systems Administrator USD 93K-115K

Backup and Recovery | COOP | Change Advisory | Change Advisory Board | Change Control

Day shift | On-call support | On-site work

Mid-level Full Time

Arlington, VA

2d ago

Security Systems Support Engineer USD 80K-115K

Access Control | Analog Cameras | CAD drawings | Card Readers | Customer Service

ADandD insurance | Dental insurance | Disability insurance | Life insurance | Medical insurance

Mid-level Full Time

Wyoming, MI, United States

3d ago

Cybersecurity Technical Manager for Video Devices PLN 166K-228K

ARM | Application Security | Certification Management | Cybersecurity | Embedded Linux

Employee pension plan | Employee stock purchase plan | Flexible working hours | Hybrid work | IP tax relief

Mid-level Full Time

Krakow, Poland

3d ago

Security Analyst Level 1 GBP 30K-30K

Cryptography | Detection engineering | Encryption | Incident Response | Key Management

On-the-job training | Professional certification training

Entry-level Full Time

Malaysia (Selangor)

3d ago

Compliance Product Owner INR 1000K-1820K

AWS | Access Management | Application Security | Awareness Training | Azure

Mid-level Full Time

Noida, India R

3d ago

Sr. Software Engineer II, Linux Sensor - CTIO (Hybrid) USD 160K-250K

Agile | C# | C++ | Cross-platform | Cross-platform development

Employee networks | Great Place to Work certification | Paid adoption leave | Paid parental leave | Professional development opportunities

Senior-level Full Time

Redmond, United States R

3d ago

Network Testing INR 1500K-2156K

AWS | Azure | Cisco IOS | Cloud platform | Google Cloud

Certifications support | Continuous learning | Flexible schedule | Hybrid work options

Senior-level Full Time

Chennai (ex Madras), IN

3d ago

Classified Cyber Security Asc/ISSO/Grand Prairie USD 62K-125K

800-53 | ACAS | Compliance Management | Configuration Management | ESTIGViewer

401k match | Education assistance | Holidays | Medical/Dental/Vision insurance | Paid time off

Mid-level Full Time

Texas, Grand Prairie-TX R

3d ago

Principal Software Engineer USD 139K-304K

AI | C# | C++ | Computer Security | Cryptography

Diversity and inclusiveness focus | Growth opportunities

Senior-level Full Time

Redmond, WA, US

3d ago

System Administrator - MC2 (5242) USD 52K-84K

Access Control | DoD Information Assurance | Implementation guide | Information Assurance | Monitoring Tools

Health insurance | Paid leave | Retirement plan

Mid-level Full Time

Patuxent River, MD

3d ago

Systems Administrator & Staff Specialist USD 98K-127K

Backup and Restore | Capacity Planning | Disaster Recovery | Disaster Recovery Planning | Monitoring Tools

Senior-level Full Time

Columbia, SC, United States

3d ago

T1 Security Analyst

AWS | Azure | Cloud platform | Google Cloud | Google Cloud Platform

Flexible schedule | Inclusive work environment | Learning opportunities | Mentoring | Shift work

Entry-level Full Time

Kyiv, Ukraine

3d ago

DBA / Database Administrator CNY 248K-283K

Alerting | Backup and Recovery | Capacity Planning | Database monitoring | Database performance

Full time office based work | Professional development opportunities

Mid-level Full Time

Shanghai, Shanghai, China

3d ago

DoD SkillBridge: Systems Administrator or Cybersecurity Specialist USD 77K-158K

Access Control | Antivirus | Backup Restore Procedures | Backup/Restore | Configuration Management

Mid-level Full Time

Columbia , Maryland, United States

3d ago

Database Management Analyst II USD 110K-140K

DBMS | DBMS Technologies | Data Manipulation | Data manipulation languages | Database Design

401k matching | Dental insurance | Disability insurance | Flexible spending | Health savings account

Mid-level Full Time

Aberdeen Proving Ground, MD, United States

3d ago

Sr Systems Administrator - Space Domain USD 135K-216K

Ansible | Authentication | Citrix XenServer | Confluence | DNF

Employee bonus plan | Health insurance subsidies | Paid time off

Senior-level Full Time

Herndon, VA, United States

4d ago

Cybersecurity Analyst USD 87K-157K

ACAS | Cybersecurity | DOD STIG | IAVM | Linux

Mentoring opportunities | Relocation assistance | Team collaboration with customers

Mid-level Full Time

2683 Huntsville AL, United States

4d ago

QNX Cybersecurity Analyst CAD 80K-112K

C# | C++ | CPE | CVEs | CWE

Paid time off

Entry-level Full Time

Ottawa, Ontario, Canada

4d ago

Cybersecurity Engineer USD 90K-189K

Automation | Incident Response | Linux | MacOS | OSINT

Senior-level Full Time

409 OKLAHOMA CITY OK (CACI SSC …

4d ago

IN_Senior Associate_SOC_Cyber as a Service_Advisory_Bangalore INR 3000K-4000K

Antivirus | Cybersecurity | Cybersecurity frameworks | Database logs | EDR

Flexible working | Inclusive benefits | Mentorship | Wellbeing support

Senior-level Full Time

Bengaluru Millenia, India

4d ago

IN_Senior Associate_SOC_Cyber as a Service_Advisory_Bangalore INR 3000K-4000K

Anti-virus | Database Log Analysis | EDR | Event analysis | FTP

Flexible work program | Inclusive benefits | Mentorship | Wellbeing support

Senior-level Full Time

Bengaluru Millenia, India

4d ago

Security Solution Architect / Embedded Security Architect USD 126K-215K

API Security | Access Management | Agile | By Design | CASB

401k retirement plan | Dental insurance | Employee assistance program | Flexible spending account | Health insurance

Senior-level Full Time

Arizona, Tempe, Missouri, St. Louis, United …

4d ago

Windows System/Security Administrator (TS/SCI w/ POLYGRAPH) USD 96K-138K

Active Directory | CVEs | Cisco Advisories | Computing Environment Certification | Group Policy

11 federal holidays | 401k match | Birthday holiday | Dental insurance | Emergency Facility Closure Days

Mid-level Full Time

Fort Meade, MD, US

6d ago

Senior Vulnerability Researcher (Cyber262) USD 134K-210K

ASLR | Behavioral Analysis | Binary Analysis | Bluetooth | C#

401k company match | Flexible work schedules | Health insurance coverage | Paid for benefits from day one | Paid parental leave

Senior-level Full Time

St. Petersburg, FL

6d ago

Professional Infrastructure Analyst EUR 32K-40K

Azure | Compliance Manager | Configuration Manager | Endpoint Security | Endpoint hardening

Hybrid work

Mid-level Full Time

Peru

6d ago

Systems Administrator III USD 86K-120K

Access Control | Access networks | Account Management | Audio Visual | Audio visual systems

401k match | Disability insurance | Health savings accounts | Life insurance | Medical/Dental/Vision insurance

Senior-level Full Time

Edwards AFB, CA, United States

6d ago

Sr. Server & Network Administrator- Bilingual (Korean/English) A USD 110K-125K

Access Management | Backup and Recovery | Cause analysis | Change Control | Cisco

401k | Dental insurance | Medical insurance | Paid sick hours | Vision insurance

Senior-level Contract Full Time

Ridgefield Park, NJ, United States

6d ago

Embedded Systems Developer/Engineer USD 97K-163K

Bare Metal | C plus plus | C# | CAN | Code review

Mid-level Full Time

Arlington/Rosslyn, Virginia, United States

6d ago

Senior Linux System Administrator USD 128K-214K

Architecture SOA | Capacity Planning | Client-Server | Client-Server Architecture | Hardware Integration

Disability insurance | Health insurance | Holiday pay | Learning and development | Life insurance

Senior-level Full Time

USA-MD-Fort Meade

6d ago

Senior Security Software Engineer, Linux Kernel Security - Nodes & Sensors CHF 140K-192K

API Design | C# | C++ | CI/CD | CloudFormation

Equity donation matching | Flexible working hours | Generous vacation | Parental leave

Senior-level Full Time

Zürich, CH

6d ago

System Administrator, Level 2 A USD 79K-135K

Capacity Planning | Client-Server | Client/server networking | Network Configuration | Network Troubleshooting

Employee assistance program | Health care plan | Life insurance | Long-term disability | Paid time off

Mid-level Full Time

Annapolis Junction, Maryland, United States

6d ago

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