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S1 Security Jobs (NOW HIRING)

System One

Data Security Engineer

Vienna, VA · Remote

$60.25 - $80.25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Minimum (3-5) years experience with System design, administration and security * Minimum (3-5) ... S1

System One

Data Security Engineer

Vienna, VA · Remote

$60.25 - $80.25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Minimum (3-5) years experience with System design, administration and security * Minimum (3-5) ... S1

System One

Data Security Engineer

Vienna, VA · Remote

$60.25 - $80.25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Minimum (3-5) years experience with System design, administration and security * Minimum (3-5) ... S1

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How much do s1 security jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for s1 security in the United States is $26.61, according to ZipRecruiter salary data. Most workers in this role earn between $21.15 and $30.53 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an S1 Security professional?

To thrive as an S1 Security professional, you need a strong understanding of security protocols, risk assessment, and incident response, often supported by relevant education or military experience. Familiarity with security management systems, surveillance tools, and access control software is typically required. Strong attention to detail, situational awareness, and effective communication are crucial soft skills for this role. These capabilities ensure the safety and security of personnel and assets while enabling swift and coordinated responses to potential threats.

What is an S1 Security?

S1 Security personnel typically refer to members of a military or organizational staff responsible for managing personnel security matters. In military contexts, the S1 section handles administrative tasks, including personnel records, security clearances, and ensuring compliance with security protocols. Their duties often involve overseeing background checks, training on security procedures, and maintaining confidentiality of sensitive information. S1 Security staff play a crucial role in safeguarding organizational integrity and protecting classified data.

What are some common challenges faced by S1 Security personnel, and how are they addressed within a typical team structure?

S1 Security personnel often encounter challenges such as managing unpredictable incidents, maintaining vigilance during long shifts, and balancing enforcement with customer service. These challenges are mitigated through thorough training, regular team briefings, and clear communication protocols. Most teams operate with a shift supervisor and designated roles, ensuring support and guidance are always available. Additionally, ongoing professional development and debrief sessions help team members learn from incidents and continuously improve their performance.

What is the difference between S1 Security vs Security Guard?

AspectS1 SecuritySecurity Guard
Required CredentialsSecurity license, training, background checkSecurity license, basic training
Work EnvironmentEvent venues, corporate buildings, retail storesShopping malls, residential complexes, events
Employer & Industry UsageSecurity firms, private companies, government contractsPrivate security companies, retail, hospitality
Common Search & ComparisonYesYes

Both S1 Security and Security Guards require security licenses and work in similar environments like retail, events, and corporate settings. S1 Security often involves more specialized roles or higher responsibilities, but both roles share foundational credentials and industry usage. Understanding these differences helps in choosing the right security career path.

More about S1 Security jobs
What job categories do people searching S1 Security jobs look for? The top searched job categories for S1 Security jobs are:
S1 Security jobs near you
Infographic showing various S1 Security job openings in the United States as of August 2026, with employment types broken down into 85% Full Time, 12% Part Time, and 3% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $55,353 per year, or $26.6 per hour.

Information Systems Security Officer

System One

Jessup, MD • On-site

$200K/yr

Other

Medical, Dental, Vision, Life, Retirement

Posted 22 days ago

Job description

Title: Information Systems Security Officer (ISSO)
Location: Annapolis Junction, MD
Type: Direct Hire
Compensation: $200,000/year (salary)
Schedule: 40 hours/week
Clearance Required: Active TS/SCI with Polygraph (required to start)
 

Role Overview

We’re hiring an Information Systems Security Officer (ISSO) to support mission-critical, classified environments. In this role, you’ll help ensure information systems stay compliant throughout the Risk Management Framework (RMF) lifecycle—supporting ATO packages, continuous monitoring, assessments, and audit readiness. You’ll partner closely with technical teams and security stakeholders to drive secure, compliant system operations.

What You’ll Do (Key Responsibilities)
  • Support the full RMF lifecycle for classified information systems
  • Build and maintain security authorization packages and RMF documentation
  • Coordinate and support Authority to Operate (ATO) efforts
  • Perform/control security assessments, compliance reviews, and control validation
  • Track vulnerabilities, findings, and remediation activities (POA&Ms, etc.)
  • Support Continuous Monitoring (ConMon) and ongoing security activities
  • Review scan results/configurations to ensure alignment with security requirements
  • Work with system teams to implement/maintain required security controls
  • Participate in audits, inspections, and cybersecurity compliance reviews
  • Provide risk-based recommendations to improve security posture
Required Qualifications (Must-Haves)
  • Active TS/SCI with Polygraph
  • Experience in ISSO / Information Assurance / cybersecurity compliance in classified environments
  • Strong knowledge of RMF and the security authorization process (ATO)
  • Familiarity with:
    • NIST SP 800-53 (Rev 3 and/or Rev 5)
    • NIST SP 800-37
  • Experience with compliance/configuration scanning and assessment workflows
  • Strong communication skills (written + verbal) and comfort working cross-functionally
Tools/Platforms (Experience With)

Experience with RMF/cyber compliance tools such as:

  • XACTA
  • LATTE / ART
  • BISCOTTI
  • WATCHCAT
  • STE
    (Experience with similar tools is also valuable.)
Documentation You Should Be Comfortable With

Hands-on experience developing/reviewing security documentation such as:

  • SSP, POA&M, SAR, RAR
  • CMP, CP, BIA
  • SPFs / exceptions and related artifacts
  • AARs and audit support documentation
Preferred / Nice-to-Have
  • Prior support of classified government systems
  • Experience partnering with ISSMs, System Owners, Security Control Assessors, and Authorizing Officials
  • Familiarity with vulnerability remediation and system administration security concepts
  • Certifications like Security+, CISSP, CAP, CASP+, or CISM

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.

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Ref: #851-Rockville-S1

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