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Ashburn, VA
$38.0 to $45.0 per hour
Contract
Trades & Services
CoolSys

Overview: WHY COOLSYS? At CoolSys, we offer more than just a job-we provide stability, growth, and industry-leading benefits for our employees. No wonder Newsweek named CoolSys one of America's Greatest Workplaces! As a large company serving diverse customers, we invest in our team with: Competitive Compensation: $38 - $45 per hr DOE Ongoing Education & Training: Access to state-of-the-art facilities and paid online training. Comprehensive Benefits: Medical, Dental, Vision, and Prescription coverage, paid vacation/holidays, and a 401(K) match. Year-Round, Diverse Work: Stay engaged with...  more ->

7/7/2026 6:25:16 PMJS17238_6063
http://www.jobserve.com/gcfaL
Reston, VA
$38.0 to $45.0 per hour
Contract
Trades & Services
CoolSys

Overview: WHY COOLSYS? At CoolSys, we offer more than just a job-we provide stability, growth, and industry-leading benefits for our employees. No wonder Newsweek named CoolSys one of America's Greatest Workplaces! As a large company serving diverse customers, we invest in our team with: Competitive Compensation: $38 - $45 per hr DOE Ongoing Education & Training: Access to state-of-the-art facilities and paid online training. Comprehensive Benefits: Medical, Dental, Vision, and Prescription coverage, paid vacation/holidays, and a 401(K) match. Year-Round, Diverse Work: Stay engaged with...  more ->

7/6/2026 8:41:46 AMJS17238_6063-151486B75C378042D993A2BF0B259944
http://www.jobserve.com/gb4hr
Winchester, VA
Full Time
Trades & Services
ManTech

MANTECH seeks a motivated, career and customer-oriented Information System Security Officer (ISSO) to join our team in Winchester, VA. Responsibilities include, but are not limited to: Ensure the day-to-day implementation, oversight, continuous monitoring, and maintenance of the security configuration, practices, and procedures for each IS. Ensure that selected security controls are implemented and operating as intended during all phases of the IS lifecycle. Ensure that system security documentation is developed, maintained, reviewed, and updated on a continuous basis Provide liaison support...  more ->

7/5/2026 8:22:47 PMJS22541_63989
http://www.jobserve.com/gbqTK
Chantilly, VA
Full Time
Trades & Services
ManTech

MANTECH seeks a motivated, career and customer-oriented Program Security Officer 3 (PSO 3) to join our team in Chantilly, VA. Responsibilities include but not limited to: Provide advice and assistance regarding a range of security issues and concerns to government and program security officers in different geographical locations Provides classification management, program security, information systems security, personnel security, and physical security to guide customers and industry partners Conduct briefings and indoctrinations to a variety of audiences Deliver compelling and articulate...  more ->

7/4/2026 11:41:37 PMJS15848_22541_64723
http://www.jobserve.com/gbVd1
Chantilly, VA
Full Time
Trades & Services
ManTech

MANTECH seeks a motivated, career and customer-oriented Program Security Officer 2 PSO 2 to join our team in Chantilly, VA. Responsibilities include but not limited to: Provides advice and assistance regarding a myriad of security issues and concerns to government and program security officers in different geographical locations Provides classification management, program security, information systems security, personnel security, and physical security for the purpose of guidance to customers and industry partners Conduct briefings and indoctrinations to a variety of audiences Make compelling...  more ->

7/4/2026 3:31:23 AMJS15848_22541_64725
http://www.jobserve.com/gbBVB
Chantilly, VA
Full Time
Trades & Services
ManTech

MANTECH seeks a motivated, career and customer-oriented Program Security Officer 2 PSO 2 to join our team in Chantilly, VA. Responsibilities include but not limited to: Provides advice and assistance regarding a myriad of security issues and concerns to government and program security officers in different geographical locations Provides classification management, program security, information systems security, personnel security, and physical security for the purpose of guidance to customers and industry partners Conduct briefings and indoctrinations to a variety of audiences Make compelling...  more ->

7/7/2026 1:09:32 PMJS23502_22541_64725
http://www.jobserve.com/gcZgy
Chantilly, VA
Full Time
Trades & Services
ManTech

MANTECH seeks a motivated, career and customer-oriented Program Security Officer 3 (PSO 3) to join our team in Chantilly, VA. Responsibilities include but not limited to: Provide advice and assistance regarding a range of security issues and concerns to government and program security officers in different geographical locations Provides classification management, program security, information systems security, personnel security, and physical security to guide customers and industry partners Conduct briefings and indoctrinations to a variety of audiences Deliver compelling and articulate...  more ->

7/9/2026 2:15:05 AMJS22541_64723
http://www.jobserve.com/gc9xC
Chantilly, VA
Full Time
Trades & Services
ManTech

MANTECH seeks a motivated, career and customer-oriented Program Security Officer 2 PSO 2 to join our team in Chantilly, VA. Responsibilities include but not limited to: Provides advice and assistance regarding a myriad of security issues and concerns to government and program security officers in different geographical locations Provides classification management, program security, information systems security, personnel security, and physical security for the purpose of guidance to customers and industry partners Conduct briefings and indoctrinations to a variety of audiences Make compelling...  more ->

7/9/2026 12:19:08 AMJS22541_64725
http://www.jobserve.com/gc7KK
Chantilly, VA
Full Time
Trades & Services
ManTech

MANTECH seeks a motivated, career and customer-oriented Program Security Officer 2 PSO 2 to join our team in Chantilly, VA. Responsibilities include but not limited to: Provide advice and assistance regarding a range of security issues and concerns to government and program security officers in different geographical locations Provides classification management, program security, information systems security, personnel security, and physical security to guide customers and industry partners Conduct briefings and indoctrinations to a variety of audiences Deliver compelling and articulate...  more ->

7/3/2026 9:08:12 PMJS22541_64338
http://www.jobserve.com/ga4ZT
Chantilly, VA
Full Time
Trades & Services
ManTech

MANTECH seeks a motivated, career and customer-oriented Program Security Officer 3 (PSO 3) to join our team in Chantilly, VA. Responsibilities include but not limited to: Provide advice and assistance regarding a range of security issues and concerns to government and program security officers in different geographical locations Provides classification management, program security, information systems security, personnel security, and physical security to guide customers and industry partners Conduct briefings and indoctrinations to a variety of audiences Deliver compelling and articulate...  more ->

7/9/2026 6:42:41 AMJS23502_22541_64723
http://www.jobserve.com/gdE2A
Tysons, VA
Full Time
Trades & Services
ManTech

ManTech seeks a motivated, career and customer-oriented Program Security Officer to join our team in Tysons, VA The Program Security Officer (PSO) will to assist its Industrial Security Team with management and administration of DoD and Intelligence Community (IC) contracts and assist with updating and maintaining the company's various systems of record. Responsibilities include but are not limited to: Assist in managing program security to ensure seamless contract delivery and compliance with various government, customer, and company standards Directly communicate with government customers,...  more ->

7/4/2026 9:41:57 PMJS22541_64537
http://www.jobserve.com/gbTDE
Columbia, MD
Full Time
Trades & Services
ManTech

MANTECH seeks a motivated, career driven, and customer-focused Information System Security Officer (ISSO) to join our team in Columbia, Maryland. You will play a critical role in supporting enterprise infrastructure capabilities for a global, mission-focused workforce. As an ISSO, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support the implementation and compliance of advanced EIT capabilities through Data Center & Compute Services. You will manage cybersecurity documentation, assess system vulnerabilities, and support the Risk Management Framework (RMF)...  more ->

7/7/2026 2:09:49 PMJS23502_22541_64459
http://www.jobserve.com/gcbAL
Columbia, MD
Full Time
Trades & Services
ManTech

MANTECH seeks a motivated, career driven, and customer-focused Information System Security Officer (ISSO) to join our team in Columbia, MD . You will play a critical role in supporting enterprise infrastructure capabilities for a global, mission-focused workforce. As an ISSO, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support the implementation and compliance of advanced EIT capabilities through Data Center & Compute Services. You will manage cybersecurity documentation, assess system vulnerabilities, and support the Risk Management Framework (RMF)...  more ->

7/4/2026 9:43:14 PMJS22541_64540
http://www.jobserve.com/gbTFB
Columbia, MD
Full Time
Trades & Services
ManTech

MANTECH seeks a motivated, career driven, and customer-focused Information System Security Officer (ISSO) to join our team in Columbia, Maryland. You will play a critical role in supporting enterprise infrastructure capabilities for a global, mission-focused workforce. As an ISSO, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support the implementation and compliance of advanced EIT capabilities through Data Center & Compute Services. You will manage cybersecurity documentation, assess system vulnerabilities, and support the Risk Management Framework (RMF)...  more ->

7/9/2026 9:10:15 PMJS22541_64459
http://www.jobserve.com/gdSI4