Security Control Assessor (Mid)

Serco; Vienna (VA); On-site; USD 95,000 - 135,000; Full time

Job summary

Serco is seeking a Security Control Assessor (Mid) to support the F-35 Joint Program Office. You will perform security control assessments, review plans and findings, and coordinate with government and contractor stakeholders to maintain compliance with cybersecurity requirements in a DoD environment.

You will work on-site in Arlington, VA, with opportunities to contribute to risk identification, remediation tracking, and process improvements while collaborating with a high-performing Serco team.

Qualifications

• U.S. Citizenship.
• Bachelor’s Degree.
• 3+ years of relevant DoD security experience.
• Experience with RMF, security controls, and DoD documentation.
• Strong analytical, writing, and coordination skills.
• Ability to obtain and maintain a Secret clearance.
• On-site in Arlington, VA, Monday–Friday.

Responsibilities

• Support security control assessment activities, including documentation review, evidence tracking, control validation support, and reporting.
• Assist with reviewing security plans, assessment materials, findings, corrective actions, and related system security documentation.
• Coordinate with government and contractor stakeholders to support assessment schedules, data calls, and required documentation.
• Maintain trackers, matrices, and records used to monitor assessment of progress, issues, and action items.
• Support meetings, briefings, technical discussions, and leadership updates related to security controls and assessment status.
• Help identify risks, documentation gaps, and process improvements to strengthen security assessment execution.
• Support cybersecurity compliance efforts and assessment activities within a DoD environment.
• Assist with documenting security findings and tracking remediation activities through completion.

Skills

Security control assessments

RMF

DoD security functions

Technical writing

Stakeholder coordination

Education

Bachelor’s Degree

Tools

RMF

Job description

Position Description & Qualifications

Looking for an opportunity at a place where you can have an influence every day? Then Serco has the right opportunity for you!

As a Security Control Assessor (Mid) supporting the F-35 Joint Program Office, you will provide security control assessment support to a Department of Defense customer responsible for one of the nation's most critical defense programs. In this role, you will leverage your security engineering mindset, analytical abilities, and attention to detail to support the assessment and validation of security controls, identify potential risks, and help maintain compliance with cybersecurity requirements.

You will work closely with government and contractor stakeholders to support security assessment activities, maintain required documentation, and contribute to the continuous improvement of security processes that support mission success. This position offers the opportunity to directly support military customers while collaborating with a dedicated and high-performing Serco team.

In This Role, You Will:

• Support security control assessment activities, including documentation review, evidence tracking, control validation support, and reporting.
• Assist with reviewing security plans, assessment materials, findings, corrective actions, and related system security documentation.
• Coordinate with government and contractor stakeholders to support assessment schedules, data calls, and required documentation.
• Maintain trackers, matrices, and records used to monitor assessment of progress, issues, and action items.
• Support meetings, briefings, technical discussions, and leadership updates related to security controls and assessment status.
• Help identify risks, documentation gaps, and process improvements to strengthen security assessment execution.
• Support cybersecurity compliance efforts and assessment activities within a DoD environment.
• Assist with documenting security findings and tracking remediation activities through completion.

To Be Successful in This Role You Will Have:

• U.S. Citizenship.
• Bachelor’s Degree.
• Minimum of 3 years of relevant professional experience.
• Experience supporting security control assessments, cybersecurity, security engineering, Risk Management Framework (RMF), compliance documentation, or related DoD security functions.
• Strong analytical, organizational, and technical writing skills.
• Ability to coordinate and communicate effectively with government and contractor stakeholders.
• Must be able to obtain and maintain a Secret Security Clearance.
• Ability to work on site in Arlington, VA, Monday through Friday during normal business hours.

Preferred Experience:

• Active Top Secret Clearance with SAP access or eligibility preferred.
• Prior experience working in a Security Countermeasure environment.
• Current and Active Secret or Top-Secret Clearance.
• Experience supporting DoD cybersecurity, compliance, assessment, or mission assurance activities.
• Familiarity with security documentation, control validation processes, and assessment reporting.

Additional Information

• This position is on-site in Arlington, Virginia.
• Up to 10% of travel may be required.
• This role supports the Department of Defense customers and mission-critical security assessment activities.
• Candidates must be able to satisfy applicable security requirements associated with the position.

Proposal Position Notice

Serco Inc. is using this posting for the purpose of responding to a proposal. We are seeking qualified candidates in the event of a contract award. This position is not currently funded/active. Should Serco be awarded the contract, and you meet the qualifications of the position, you will be considered in the selection process.

Company Overview

Serco Inc. (Serco) is the Americas division of Serco Group, plc. In North America, Serco’s 9,000+ employees strive to make an impact every day across 100+ sites in the areas of Defense, Citizen Services, and Transportation. We help our clients deliver vital services more efficiently while increasing the satisfaction of their end customers. Serco serves every branch of the U.S. military, numerous U.S. Federal civilian agencies, the Intelligence Community, the Canadian government, state, provincial and local governments, and commercial clients. While your place may look a little different depending on your role, we know you will find yours here. Wherever you work and whatever you do, we invite you to discover your place in our world. Serco is a place you can count on and where you can make an impact because every contribution matters.

To review Serco benefits please visit: https://careers.serco-na.com/us/en/what-we-offer . If you require an accommodation with the application process please email: [e-mail] or call the HR Service Desk at 800-628-6458, option 1. Please note, due to EEOC/OFCCP compliance, Serco is unable to accept resumes by email.

Candidates may be asked to present proof of identity during the selection process. If requested, this will require presentation of a government-issued I.D. (with photo) with name and address that match the information entered on the application. Serco will not take possession of or retain/store the information provided as proof of identity. For more information on how Serco uses your information, please see our Applicant Privacy Policy and Notice.

Serco does not accept unsolicited resumes through or from search firms or staffing agencies without being a contracted approved vendor. All unsolicited resumes will be considered the property of Serco and will not be obligated to pay a placement or contract fee. If you are interested in becoming an approved vendor at Serco, please email [e-mail] .

Serco is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics.

Pay Transparency

Our Total Rewards package includes competitive pay, performance-based incentives, and benefits that promote well-being and work-life balance—so you can thrive both professionally and personally. Eligible employees also gain access to a wide range of benefits from comprehensive health coverage and health savings accounts to retirement plans, life and disability insurance, and time-off programs that support work-life balance. Program availability may vary based on factors such as contract type, location, hire date, and applicable collective bargaining agreements.

Salary range: The range for this position can be found at the top of this posting. This range is provided as a general guideline and represents a good faith estimate across all experience levels. Actual base salary will be determined by a variety of factors, including but not limited to, the scope of the role, relevant experience, job-related knowledge, education and training, key skills, and geographic market considerations. For roles available in multiple states, the range may vary to reflect differences in local labor markets. In addition to base salary, eligible positions may include other forms of compensation such as annual bonuses or long-term incentive opportunities.Benefits – Comprehensible benefits for full-time employees (part-time employees receive a limited package tailored to their role):

• Medical, dental, and vision insurance
• Robust vacation and sick leave benefits, and flexible work arrangements where permitted by role or contract
• 401(k) plan that includes employer matching funds
• Tuition reimbursement program
• Life insurance and disability coverage
• Optional coverages that can be purchased, including pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Employee Assistance Plan

To review all Serco benefits please visit: https://careers.serco-na.com/us/en/about-us .

Serco complies with all applicable state and local leave laws, including providing time off under the Colorado Healthy Families and Workplaces Act for eligible Colorado residents, in alignment with our policies and benefit plans. The application window for this position is for no more than 60 days. We encourage candidates to apply promptly after the posting date, as the position may close earlier if filled or if the application volume exceeds expectations. Please submit applications exclusively through Serco’s external (or internal) career site. If an applicant has any concerns with job posting compliance, please send an email to: [e-mail] .