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Senior Information Security Engineer Jobs in Delaware

System One

Security Engineer II

Milford, DE · On-site

Security Engineer II Location: Milford, DE Type: Direct Hire Job Summary: System One is seeking a ... genetic information, veteran status, marital status, or any other characteristic protected by ...

System One

Security Engineer II

Milford, DE · On-site

Security Engineer II Location: Milford, DE Type: Direct Hire Job Summary: System One is seeking a ... genetic information, veteran status, marital status, or any other characteristic protected by ...

Bessystemhaus

Senior IT Administrator

Wilmington, DE · On-site +1

$83K - $113K/yr

We are seeking an experienced and dedicated Senior IT Administrator to join our dynamic team. In ... Implement and monitor security measures to protect data, networks, and systems from cyber threats

Pyramid IT

Security Engineer- CTH

Wilmington, DE · On-site

Company Description Pyramid is a leading Information Technology Consulting services company ... We need a Security Engineer who can provide clear and concise security requirements that meet ...

Tata Consultancy Service Limited

Engineer

New Castle, DE · On-site

$100K - $110K/yr

We are seeking a skilled Information Security Analyst to support enterprise security operations ... The ideal candidate will work closely with engineering and infrastructure teams to proactively ...

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All JobsInformation Security Engineer JobsSenior Information Security Engineer JobsSenior Information Security Engineer Jobs in Delaware

Senior Information Security Engineer information

See Delaware salary details

$22.5K

$126.9K

$187.7K

How much do senior information security engineer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for senior information security engineer in Delaware is $126,921.00, according to ZipRecruiter salary data. Most workers in this role earn between $106,600.00 and $144,600.00 per year, depending on experience, location, and employer.

What does a senior information security engineer do?

A Senior Information Security Engineer is responsible for designing, implementing, and maintaining an organization's security infrastructure. They assess risks, develop security policies, and ensure compliance with regulations. Additionally, they monitor networks for vulnerabilities, respond to security incidents, and provide guidance to junior staff. Their expertise helps protect sensitive data and maintain the integrity of IT systems.

What are the key skills and qualifications needed to thrive as a senior information security engineer?

To thrive as a Senior Information Security Engineer, you need deep expertise in cybersecurity principles, risk assessment, and network security, often supported by a relevant degree and certifications like CISSP or CISM. Familiarity with security information and event management (SIEM) systems, firewalls, vulnerability scanning tools, and scripting languages is typically required. Strong analytical thinking, problem-solving, and effective communication skills help you proactively identify threats and collaborate with IT teams. These skills and qualities are critical to protect organizational assets, ensure regulatory compliance, and respond effectively to evolving cyber threats.

How does a senior information security engineer typically collaborate with other departments to enhance organizational security?

Senior Information Security Engineers often work closely with teams across IT, development, and business units to identify potential security risks and implement effective controls. They participate in cross-functional meetings, review architectural changes, and provide guidance on secure coding practices. This collaboration ensures that security is embedded early in project lifecycles and that all staff are aware of best practices. Building strong relationships with other departments is essential for developing comprehensive security policies and responding effectively to incidents.

What is the difference between Senior Information Security Engineer vs Security Analyst?

AspectSenior Information Security EngineerSecurity Analyst
CertificationsCISSP, CISA, CEHCISSP, Security+
Work EnvironmentDesigning security systems, implementing security measures, managing security projectsMonitoring security alerts, analyzing threats, conducting security assessments
Employer & Industry UsageTech companies, finance, healthcare, governmentIT departments, cybersecurity firms, corporate security teams

The main difference is that Senior Information Security Engineers focus on designing and implementing security solutions, while Security Analysts primarily monitor and analyze security threats. Both roles require relevant certifications and are vital in maintaining organizational security, but they differ in responsibilities and daily tasks.

What are popular job titles related to Senior Information Security Engineer jobs in Delaware?

For Senior Information Security Engineer jobs in Delaware, the most frequently searched job titles are:

What job categories do people searching Senior Information Security Engineer jobs in Delaware look for?

The top searched job categories for Senior Information Security Engineer jobs in Delaware are:

What cities in Delaware are hiring for Senior Information Security Engineer jobs?

Cities in Delaware with the most Senior Information Security Engineer job openings:

What are popular job titles related to Senior Information Security Engineer jobs in DE?

For Senior Information Security Engineer jobs in DE, the most frequently searched job titles are:

Senior Information Security Engineer jobs near you
Infographic showing various Senior Information Security Engineer job openings in Delaware as of September 2026, with employment types broken down into 1% As Needed, 73% Full Time, 24% Part Time, and 2% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $126,921 per year, or $61 per hour.

Security Engineer II

Milford, DE • On-site

System One
Business Consulting Services • 5 - 10K employees
Learn more about System Oneexternal

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 26 days ago

Job description

Job Title: Security Engineer II Location: Milford, DE Type: Direct Hire

Job Summary: System One is seeking a Security Engineer II for a permanent opportunity in Milford, DE. The Security Engineer will work Technology Services to managing escalated security incidents, monitoring security systems, and supporting the implementation of advanced security measures. This position will collaborate with cross-functional teams to ensure high availability, performance, and security for all cloud-based infrastructure environments

Responsibilities

  • Assist with implementing and supporting security monitoring systems across cloud-based infrastructure environments.
  • Manage and investigate escalated security incidents, including malware detection, phishing attacks, and unauthorized access attempts.
  • Monitor security alerts using SIEM tools such as Splunk, QRadar, or Sentinel; analyze patterns and detect emerging threats.
  • Perform vulnerability assessments and penetration tests; collaborate on remediation and mitigation strategies.
  • Maintain security configurations for firewalls, IDS/IPS, VPNs, and other network devices.
  • Support compliance efforts by providing security data for audits related to GDPR, HIPAA, or ISO 27001 standards.
  • Develop and automate incident response workflows; assist in optimizing security processes.
  • Provide guidance and training to Level 1 analysts; collaborate with IT, DevOps, and cross-functional teams on security concerns.
  • Conduct forensic analysis on compromised systems to identify attack vectors and impact.
Requirements
  • Bachelor’s degree (BA/BS) or equivalent experience in cybersecurity or related field.
  • 3-5 years of experience in cybersecurity roles, with at least 1-2 years in advanced or Level 2 positions.
  • Certifications preferred: CompTIA CySA+, GIAC (GSEC, GCIA, or GCIH), CISSP, or Microsoft Certified: Security Operations Analyst.
  • Strong knowledge of firewalls, IDS/IPS, EDR tools, vulnerability management, and SIEM platforms.
  • Proficiency with scripting languages such as Python, PowerShell, or Bash.
  • Understanding of networking protocols including TCP/IP, DNS, DHCP.
  • Excellent collaboration and communication skills; ability to work effectively in team environments.
  • Ability to learn and support new technologies; demonstrate problem-solving skills with a sense of urgency.
  • Flexibility to work overtime, nights, weekends, and holidays as needed

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M-1 Ref: #431-IT Tampa

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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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