Information System Security Officer
$120k - $165kECS Federal
Job DescriptionEverforth ECS is seeking an Information System Security Officer (ISSO) to work onsite in our Arlington, VA and Fairfax, VA corporate offices.Job Description:Everforth ECS Federal has an immediate opening for a mid-level Information System Security Officer (ISSO) to ensure that a Department of Defense (DoD) virtual desktop infrastructure (VDI) environment remains secure and functional. Must have at least 3 to 5 years’ experience (pending education requirements) performing a variety of cyber security related tasks, including continuous monitoring, vulnerability remediation, and the development and implementation of standards and procedures. The ideal candidate will have a technical background; experience with heterogeneous environments; and the ability to interface with all levels from end-users to senior management.Candidates must be able to take ownership of tasks and deadlines; work without supervision; commit to high-quality results; and provide common sense solutions. In addition, candidates should be adaptable, detail-oriented, and have well-developed written, verbal, and interpersonal skills.PRIMARY DUTIESAssist and lead various cybersecurity activities such as Assessment and Authorization (A&A), Configuration Management, Continuous Monitoring, and Incident Response.Assist with the Management and Sustainment of customer projects in the Enterprise Mission Assurance Support Service (eMASS) Toolset.Apply knowledge, tools, policy, and procedures to implement, monitor, and manage cybersecurity risk in production, test,and development environments.Utilize Assured Compliance Assessment Solution (ACAS), Electronic Security System (ESS) - formally Host-Based Security System (HBSS), and other tools to monitor, detect, and analyze vulnerabilities.Coordinate with internal and external stakeholders concerning security compliance.Support and provide knowledge transfer to team members and clients.Other duties as needed.*The job is located in Arlington VA, with occasional local trips to our Fairfax, VA locationSalary Range: $120,000-165,000General Description of BenefitsJob RequirementsMust be a US CitizenMust have a Bachelor's Degree in a related field; four (4) years relevant experience in lieu of a degree3+ years of Cybersecurity ExperienceActive DoD Secret clearance with the ability to obtain TS/SCICapable of understanding the system and its environment of operationExperience utilizing Enterprise Mission Assurance Support Service (eMASS), ACAS, ESS/HBSS, DoD Risk Management Framework (RMF), Defense Counterintelligence and Security Agency (DCSA) Assessment and Authorization Guide (DAAG), Information Assurance Vulnerability Management (IAVM) alerts, Secure Technical Implementation Guides (STIGs), etc.Have an active Security+ (Plus) certification or equivalent certification that satisfies DoD 8140 requirementsAble to obtain CISSP, CISM, CASP+ CE, CAP, GSLC, or CCISOJob DetailsJob Type: Full-timeCategory: CybersecuritySalaried: Salaried
- ...Data Intelligence, LLC is seeking a part-time skilled Information Systems Security Officer (ISSO) to support a top-tier federal client engaged in national security and counterterrorism operations. This position, based in Vienna, VA, plays a critical role in securing...SuggestedPart timeFor contractors
- ...Information Systems Security Officer Fort Belvoir, VA, United States About the Job Information Systems Security Officer Title: Information Systems Security Officer (ISSO)-Expert Duration: Full-time Location: Fort Meade, MD area and Fort Belvoir, VA Clearance...SuggestedFull time
- ...Senior Information Systems Security Officer (ISSO) Location: Annapolis, MD / Reston, VA / Washington, DC Work Model: 100% Onsite (SCIF Environment) Work Type: Full-Time Experience Required: 13+ Years The Senior ISSO will support mission-critical cybersecurity initiatives...SuggestedFull time
- ...Information Systems Security Officer (ISSO) Mantis Security is seeking for immediate placement a highly qualified and technical Information Systems Security Officer (ISSO) to lead the Assessment and Authorization (A&A) for multiple analytic mission systems. The ISSO...SuggestedImmediate start
- ...Senior Information Systems Security Officer Base-2 Solutions is seeking a Senior Information Systems Security Officer responsible for safeguarding computer networks and systems to ensure data security, integrity, and confidentiality at the highest standards. Essential...Suggested
- ...Data Intelligence, LLC is seeking a skilled Information Systems Security Officer (ISSO) to support a top-tier federal client engaged in national security and counterterrorism operations. This full-time position, based in Vienna, VA, plays a critical role in securing complex...Full timeFor contractors
- ...Cybersecurity Engineer serves as a subject matter expert in ensuring system security compliance and risk management throughout the program life... ...to work full-time onsite in a Sensitive Compartmented Information Facility (SCIF) with flexible hours. Desired Attributes...Full timeInterim roleFlexible hours
- ...Senior Information Systems Security Officer (ISSO) At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're a nonprofit engineering...Work experience placementInternshipLocal areaImmediate start
- ...Information System Security Officer Base-2 Solutions is seeking an Information System Security Officer to work with application leads, system administrators, database administrators, developers, and testers to ensure assigned systems are security compliant and achieve...
$102.83k - $154k
...Senior Information Systems Security Officer (ISSO) Date: Sep 13, 2026 Location: Springfield, VA, Virginia, United States Company: HII's Mission Technologies division Requisition Number: 29433 Required Travel: 0 - 10% Employment Type: Full Time/Salaried...Full timeWorldwide$77.6k - $176k
...Information System Security Officer page is loaded## Information System Security Officerlocations: McLean, VA: Chantilly, VAtime type: Full timeposted on: Posted Yesterdaytime left to apply: End Date: December 31, 2026 (30+ days left to apply)job requisition id: R02509...Full timeContract workPart timeLocal areaRemote work$140k - $160k
...Information System Security Officer (ISSO) Everforth ECS is seeking an experienced Information System Security Officer (ISSO) to work in a hybrid capacity at our Fairfax, VA office. The ISSO will support the development, authorization, and ongoing cybersecurity compliance...Interim roleWork at office3 days per week- ...Information System Security Officer Conducts assessments of threats and vulnerabilities, determines deviations from acceptable configurations or enterprise or local policy, assesses the level of risk, and develops and/or recommends appropriate mitigation countermeasures...Permanent employmentInterim roleCasual workLocal area
- ...innovative solutions for the most challenging national security problems. For over 40 years, our principled approach to... ...experience in real-world settings. Metron is seeking a capable Information Systems Security Officer (ISSO) to own the cybersecurity posture and...For contractors
$80k - $115k
...Overview Steampunk wants you to be an Information System Security Officer (ISSO) on our teamto support a government customer. In this challenging and rewarding role you'll be asked take initiative, foster organization, responsibility, customer service skills, and...Local areaFlexible hours- ...Citizen. This position requires an active U.S. Government security clearance, applicants who do not currently hold the... ...the TS/SCI level with CI polygraph.Vantor is seeking an Information Systems Security Officer (ISSO) to support secure, compliant, and mission-focused...Full time
$150k - $250k
...technical solutions to our Nation's most complex national security challenges. In order to achieve our mission, Core One... ...exceptional performance! Core One is seeking Senior Information System Security Officer to support a new application development project in the...Contract work$130k - $190k
Modern Technology Solutions, Inc. (MTSI) is hiringan Information Systems Security Officer to work in Springfield, VA. Qualified candidates must be U.S. citizens with an active TS/SCI clearance and be eligible to obtain a CI Poly.Responsibilities:• Support accreditation...Contract work$120.8k - $265.8k
...Job Title: Information Systems Security Officer (ISSO) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local The...Full timeContract workWork experience placementWork at officeLocal areaFlexible hours$120k - $135k
...Information Systems Security Officer (ISSO) FAIRFAX, VIRGINIA PostedOctober 02, 2026 DESCRIPTION Position: ISSO Clearance: TS/SIC Salary Range: $120,000 - $135,000 Job Description: The Mission Essential Group, LLC (MEG) is a premier service provider...For contractorsWorldwide- ...Information System Security Officer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Information System Security Officer (ISSO...Temporary workFor contractorsImmediate startFlexible hours
- ...Information Systems Security Officer (ISSO) Employment Type: Full-Time, Experienced Department: Information Technology CGS is seeking an Information Systems Security Officer (ISSO) with DIACAP and/or RMF experience who has deep expertise in security assessment...Full timeLocal areaFlexible hours
- ...Enterprise IT Infrastructure (EII) to advance DoD Intelligence Information Systems (DoDIIS) Enterprise capabilities and functions. * This... ...procedures. Interface with other IA team members, other security disciplines (industrial security, physical security, special...Contract workTemporary workWorldwideFlexible hours
$90.3k - $189.6k
Job Title: Information System Security Officer (ISSO) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity...Full timeContract workWork experience placementRemote workFlexible hours- ...Information Systems Security Officer (ISSO) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented **Information Systems Security...Temporary workFor contractorsImmediate startFlexible hours
$102.83k - $154k
...Salary Range: $102,831.00 - $154,000.00 Security Clearance: TS/SCI Level of Experience... ...This opportunity resides with Warfare Systems (WS), a business group within HII's Mission... ...you will do Designs and implements information assurance and security engineering...Full timeWork experience placementLocal areaWorldwide$107.9k - $195.05k
...The Digital Sector at Leidos currently has an opening for an Information System Security Officer (MID) supporting the Homeland Enterprise Information Technology Secure Services and Support (HEITS) Contract as part of the Department of Homeland Security (DHS) Insider Threat...Contract workFor contractorsInterim role$164.38k - $201.25k
...Cyber and IT Risk Management Job Qualifications: Skills: Information Systems, Information System Security, Plan of Action and Milestones (POA&M) Certifications... ...and experienced Information System Security Officer (ISSO) supporting the Defense Threat Reduction Agency...Temporary workInterim roleImmediate startWorldwideFlexible hours$87.1k - $157.45k
...Description The Defense Sector at Leidos is looking for an Information System Security Officer (ISSO) to support a fast-paced program with the Air Force Life Cycle Management Center. This role involves supporting the delivery of comprehensive IT and support services...Local areaImmediate startRemote work$99k - $225k
...Job Number: R0248633 Information System Security Officer The Opportunity: We're looking for an Information System Security Officer (ISSO) who can create solutions for the government that will withstand even the most advanced cyber threats. As a cyber tools assessor...Full timeContract workPart timeFor subcontractorWork at officeLocal areaRemote work
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