Mid-Level Security Control Assessor
Bethesda, Maryland
Experience: 0
Category: Information Technology
Contractor Work Model: Hybrid
Brand: System One
Compensation Range: 135000.00 - 140000.00
Job ID: 377430
Date Posted: 07/24/2026
Shortcut: http://jobs.systemone.com/oyBFaZ
Job Title: Mid-Level Security Control Assessor
Location: Bethesda, Maryland
Type: Direct Hire
Salary: $140,000 range annually, plus benefits
Work Model: Hybrid – onsite and remote
Hours: 40.0/week
Security Clearance: Public Trust
Work expected to begin on or about August 30, 2026
System One IT has a direct hire opening for a mid-level Security Control Assessor to support a National Healthcare agency. This is a remote position day-to-day with infrequent on-site visits in Bethesda, MD.
This position supports a federal end customer and requires US citizenship with eligibility to pass a Public Trust clearance. (Current Public Trust clearance highly desired). This role is currently in the bid process and is expected to be awarded in early August, with work to begin on or about August 30, 2026, if awarded.
Responsibilities
- Serve as the technical authority for independent security assessments in accordance with NIST standards and agency policies.
- Lead planning, execution, and validation of Security Control Assessments throughout the authorization lifecycle.
- Review and validate authorization packages, including SSPs, SAPs, SARs, POA&Ms, and supporting evidence.
- Assess the implementation and effectiveness of security controls through documentation reviews, interviews, and technical validation.
- Review FedRAMP cloud packages and inherited controls as applicable.
- Document findings, recommendations, and remediation activities.
- Support cybersecurity audits and continuous improvement initiatives.
- Provide risk-based recommendations to the Authorizing Official while maintaining assessment independence.
- Mentor junior assessors and improve assessment methodologies.
Requirements
- Bachelor's degree in Cybersecurity, Information Technology, Computer Science, Information Systems, or related discipline, or four (4) additional years of relevant experience.
- Ten (10) or more years of progressive experience supporting federal cybersecurity, RMF, Security Control Assessment, or information assurance programs.
- Significant experience leading independent Security Control Assessments and validating RMF authorization packages.
- Experience conducting security control testing, evidence validation, and developing SARs per NIST SP 800-37, NIST SP 800-53 Rev. 5, and JCAM.
- Experience supporting federal civilian agencies is highly desirable.
- Experience reviewing FedRAMP authorization packages and supporting OIG, GAO, or independent assessments.
- Strong knowledge of federal cybersecurity assessment principles, excellent analytical and technical writing skills, and effective communication skills.
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-MM1
#LI-MM1
Ref: #856-Baltimore-S1
-
Junior Security Control Assessor
Bethesda, Maryland
Location: Bethesda, MD (mostly remote, occasional onsite required) Work schedule: 40 hrs/week Compensation: $100,000–$115,000/year Target start: by end of August 2026 Clearance / Public Trust: Public Trust eligibility (Tier 2/3) required About the role...
Date Posted: 07/24/2026 Recommended
-
Information Systems Security Officer
20701, Virginia
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 FSP Role Overview We’re hiring an Information Syst...
Date Posted: 07/21/2026 Recommended
-
Mid-Level Cybersecurity Incident Response Analyst
Bethesda, Maryland
Job Title: Mid-Level Cybersecurity Incident Response Analyst Location: Bethesda, Maryland Type: Direct Hire Compensation: 120k Work Model: Hybrid Hours: 40.0 Security Clearance: Public Trust Responsibilities Monitor, analyze, and investigate security a...
Date Posted: 07/24/2026 Recommended
-
Information Systems Security Engineer
20871, Virginia
INFORMATION SYSTEMS SECURITY ENGINEER (ISSE) Location: Clarksburg, Maryland Work Model: Onsite Type: Direct Hire Compensation: $180,000 (salary) Schedule: 40 hours/week Clearance Required: Active TS/SCI with Polygraph (must be current) Certification Re...
Date Posted: 07/21/2026 Recommended
-
Senior Microsoft Dynamics 365 and Power Apps Developer
Bethesda, Maryland
Job Title: Senior Microsoft Dynamics 365 and Power Apps Developer Location: US-Remote Clearance: US Citizenship with eligibility for a Public Trust Clearance is required Hourly Rate: $85/hr. to $95/hr. range W2 Responsibilities: System One IT is seekin...
Date Posted: 07/30/2026 Recommended
-
ServiceNow Developer
Bethesda, Maryland
Job Title: ServiceNow Developer Location: Bethesda, Maryland Type: Long Term Contract or potential Contract To Hire Work Model: Remote / Offsite - EST time zone Position Summary The ServiceNow Developer is responsible for the design, development, enhan...
Date Posted: 08/14/2026 Recommended
-
Network Administrator
Bethesda, Virginia
Network Administer Bethesda, VA Onsite Hours: 40.0 Responsibilities Support the network infrastructure for LAN/WAN services at the National Institutes of Health (NIH). Coordinate work actions and collaborate with the CIT federal team and other service ...
Date Posted: 07/23/2026 Recommended
-
Principal Government & Defense Technology Architect
NA, VA
Principal Government & Defense Technology Architect Client: DHL Location: Remote, United States Work Authorization: Candidates must be authorized to work in the United States without current or future sponsorship Position Summary System One IT is seeki...
Date Posted: 08/14/2026 Recommended
-
Governance Risk & Compliance Analyst
Lakewood, CO
Job Title: Governance Risk & Compliance Analyst Location: Lakewood, CO Work Model: Hybrid – onsite and remote Overview System One is seeking a GRC Analyst for an opportunity in Lakewood, CO. The GRC Analyst is a member of the Governance, Risk & Complia...
Date Posted: 06/17/2026 Recommended
-
AWS Cloud Security Engineer
Mclean, Virginia
AWS Cloud Security Engineer Remote What You Will Do We are seeking an AWS Cloud Security Engineer to support a large-scale cloud modernization effort for a federal client. This role will focus on securing AWS environments, strengthening cloud security ...
Date Posted: 06/22/2026 Recommended
-
Cloud Engineer
20171, Virginia
Job Title: Cloud Engineer Location: Herndon, Virginia Type: Direct Hire Compensation: $200,000.00 - $250,000.00 Work Model: Remote – offsite Hours: 40.0 hours per week Security Clearance: Active Secret Clearance Required Responsibilities Manage, config...
Date Posted: 07/15/2026 Recommended
-
Cyber Security Engineer III
Springfield, VA
Job Title: Cyber Security Engineer Location: Springfield, VA Work Model: On site Position Type: 6 month contract to hire Clearance Requirement: Active TS/SCI with ability to obtain a polygraph System One IT is seeking a Cyber Security Engineer to suppo...
Date Posted: 06/04/2026 Recommended
-
IT Project Coordinator
Virginia, VA
Job Title: Project Coordinator Type: Contract Compensation: 50.00-60.00/hr W2 Work Model: Remote Hours: 40.0 Security Clearance: Not specified in the job description or fields Responsibilities Support project strategy, planning, scheduling, and coordin...
Date Posted: 07/29/2026 Recommended
-
Cyber Security Engineer III
St. Louis, Missouri
Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 Month Contract to Hire Clearance Requirement: Active TS/SCI required and ability to obtain poly Job Summary We are seeking a Cyber Security Engineer to suppo...
Date Posted: 06/04/2026 Recommended
-
Information Security Analyst
Bellevue, WA
Job Title: Information Security Analyst Location: Bellevue, WA Type: Contract Contractor Work Model: Onsite Responsibilities Support the company’s Incident Response procedures to facilitate appropriate, timely, and consistent response activities, inclu...
Date Posted: 08/03/2026 Recommended
-
I&C Engineer
Houston, TX
Job Title: I&C Engineer Location: Houston Type: Contract Compensation: $58.00 (DOE) Contractor Work Model: Onsite – onsite Hours: 40 hours/week Security Clearance: System One is seeking an I&C Engineer to work in Houston, TX. The Control Engineer is to...
Date Posted: 06/03/2026 Recommended
-
Linux Systems Engineer
Hollywood, Florida
Job Title: Linux Systems Engineer Location: Melbourne, FL Type: Contract To Hire Work Model: Hybrid – onsite and remote Hours: 40.0 Security Clearance: Not specified Overview System One is looking for a Linux Systems Engineer in either Melbourne or Mir...
Date Posted: 08/06/2026 Recommended
-
Linux Systems Engineer
Melbourne, FL
Job Title: Linux Systems Engineer Location: Melbourne, FL Type: Contract To Hire Work Model: Hybrid – onsite and remote Hours: 40.0 Security Clearance: Not specified Overview System One is looking for a Linux Systems Engineer in either Melbourne or Mir...
Date Posted: 07/27/2026 Recommended
-
Principal SDET, Cybersecurity Test Engineer
Lakewood, CO
Job Title: Principal SDET, Cybersecurity Test Engineer Location: Lakewood, CO Type: Direct Hire Job Summary: System One is seeking a Principal SDET – Cybersecurity Test Engineer for a full-time/permanent opportunity in Lakewood, CO. As a Sr. Technical ...
Date Posted: 06/03/2026 Recommended
-
IT Assurance Manager
The Woodlands, TX
Title: IT Assurance Manager Location: The Woodlands (onsite daily) Direct Hire Summary We are seeking an experienced, hands-on Manager to lead IT Audit, IT SOX, and IT Risk initiatives for a rapidly growing, publicly traded construction client in The W...
Date Posted: 08/20/2026 Recommended
-
Cyber Threat Intelligence Analyst
35801, Alabama
Cyber Threat Intelligence Analyst Onsite- Huntsville, Alabama Required: Top Secret with the ability to sit for the CI Poly Responsibilities Monitor and analyze cyber threats, investigate security breaches, and produce reports to enhance cybersecurity p...
Date Posted: 07/28/2026 Recommended
-
Software Systems Engineer III
Huntsville, AL
Job Title: Software Systems Engineer III Location: Huntsville, AL Type: Contract - W2 only Compensation: $54.40 - $60.00 per hour Work Model: Onsite Hours: 40.0 Security Clearance: Secret Clearance (Eligibility for Secret Clearance) Overview Software S...
Date Posted: 07/08/2026 Recommended
-
Cloud Developer
35801, Alabama
Cloud Developer – Active Top Secret Required Onsite – Huntsville, Alabama Open Systems Technologies Corporation is seeking a Cloud Developer to support BAE Systems and a large SOC enterprise environment in Huntsville, Alabama. This is an onsite positio...
Date Posted: 07/28/2026 Recommended
-
Sr. Systems Engineer (Platform Engineer)
Washington, DC
Platform Engineer (VMware & AWS) Washington, DC – 100% Onsite Per Federal contract U.S. citizenship is required Must be able to obtain PASS federal background check for Public Trust clearance W2 with Benefits or C2C Contract Application Closing date Se...
Date Posted: 08/21/2026 Recommended
-
Senior Network Engineer w/CCNP- Top Secret Clearance
Washington, DC
Senior Network Engineer- CCNP Active Top Secret/ SCI Clearance Required Per Federal Contract U.S. Citizenship Required Direct Permanent Hire Only 100% Onsite in Washington DC Position Overview We are seeking a Senior Network Engineer to support a high-...
Date Posted: 08/17/2026 Recommended
-
Systems and Requirements Management Engineer
Bellevue, WA
Job Title: Systems & Requirements Management Engineer Location: Remote Pay $52-$85 an hour Position Type: Long term Contract Position Overview System One is seeking a highly motivated Systems & Requirements Management Engineer to support advanced nucle...
Date Posted: 06/25/2026 Recommended
-
Senior Platform Engineer
Washington, DC
Senior Platform Engineer Washington, DC – onsite US citizenship required per government contact Must be able to obtain Public Trust clearance Type: Multi-Year Contract supporting Federal Reserve Board Open to W2 and C2C Deadline to apply: June 29th Joi...
Date Posted: 06/15/2026 Recommended
-
Senior Windows Server / Cloud DevOps Engineer
Washington, District Of Columbia
Job Title: Senior Windows Server / Cloud DevOps Engineer Location: Onsite Washington, District Of Columbia Work Model: Onsite – onsite Responsibilities Own Windows Server production operations (day one), providing hands-on support for mission-critical ...
Date Posted: 07/08/2026 Recommended
-
Quality Engineer
Latrobe, Pennsylvania
Job Title: Quality Engineer Location: Latrobe, Pennsylvania Type: Direct Hire Compensation: $75,000.00 - $85,000.00 Contractor Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Not specified Overview Support the maintenance of the Quality Man...
Date Posted: 08/21/2026 Recommended
-
Document Controller - Indy
Indianapolis, IN
Job Title: Document Controller - Indy Location: Indianapolis, IN Type: Contract Compensation: $34.94 - $41.11/hr Work Model: onsite Hours: Mon - Fri 8am - 5pm Responsibilities Owns and manages the end-to-end document control lifecycle for QA documentat...
Date Posted: 08/04/2026 Recommended