Sr. Information Systems Security Officer (ISSO), Advisor - TS/SCI w/poly
$146k - $234kPeraton Corporation
ResponsibilitiesPeraton is seeking an Sr Information Systems Security Officer to support our Federal Strategic Cyber programs.Location: National Capital Region (NCR)In this role, you will:Apply best practices for cybersecurity program standards, processes, procedures, and industry-standard security frameworks.Implement and assess security controls in accordance with NIST SP 800-53, NIST SP 800-53A, AFPD 17-1, and AFI 17-130 requirements and guidance.Develop security policies and procedures, CSS, SSP, SSPP, and assess ATO package artifacts.Apply expert knowledge of Risk Management Framework (RMF) v5 processes and workflows.Use eMASS to execute RMF v5 activities, document and update system status, identify and manage operational and technical security controls, assess implementation and risk, manage non-compliant and non-validated controls, manage POA&Ms from entry through closeout, produce reports, and track POA&M due dates.Complete checklists to ensure Security Authorization Process documentation is complete and complies with applicable guidance.Collaborate with IT counterparts, communicate complex technical information to non-technical audiences, and coordinate STIG remediation with system administrators and developers.Conduct risk assessments, monitor security incidents, and respond appropriately to security threats.Apply knowledge of network technologies and protocols, TCP/IP, operating systems, security protocols, system architecture and data flows, security categorization, requirements, configuration management processes, firewalls and configurations, intrusion detection and prevention systems, encryption techniques, Windows, Unix, Linux, databases, web servers, and other applications.QualificationsRequired Qualifications:Bachelor’s degree in Computer Science, Business Management, or IT related discipline. Minimum of 9 years of work experience in a Computer Science or Cybersecurity related field with at least 7 of those years serving as an Information Systems Security Officer (ISSO) or Information System Security Engineer at a cleared facility.Must have at least 1 of the following certifications OR advanced degree from the list below:CISM, CISSP, CISSP-ISSMP, FITSP-M, GCIA, GCIH, GICSP, GSLC ORDoctorate - Computer ScienceDoctorate – CybersecurityDoctorate - Data ScienceDoctorate - Information SystemsDoctorate - Information TechnologyDoctorate - Software EngineeringMaster of Science - Strategic Information and Cyberspace Studies (NDU CIC)Masters - Computer ScienceMasters – CybersecurityMasters - Data ScienceMasters - Information SystemsMasters - Information TechnologyMasters - Software EngineeringFamiliarity with the use and operation of security tools including Tenable Nessus and/or Security Center, Splunk, IBM Guardium, HP Web Inspect, Network Mapper (NMAP), and/or similar applications.Active TS/SCI security clearance with the ability to obtain a polygraph.Benefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan.Salary Range Estimate:The estimate displayed represents the typical salary range for this position and is just one component of Peraton's total compensation package for employees. Other rewards may include annual bonuses, short- and long-term incentives, and program-specific awards. In addition, Peraton provides a variety of benefits to employees.Peraton OverviewPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.Target Salary Range$146,000 - $234,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Job SummaryRequisition ID: 2026-169841Position Category: Information TechnologyClearance: Top Secret/SCI w/Poly
$176k - $282k
ResponsibilitiesPeraton is seeking an Information Systems Security Engineer - Subject Matter... ...as a principal technical advisor on cybersecurity, bringing... ...Software EngineeringActive TS/SCI security clearance is... ...Category: Information TechnologyClearance: Top Secret/SCI w/PolySeniorContract workTemporary workFor contractorsWork at officeShift work$146k - $234k
Technical Project Manager TS/SCI w Poly Job Locations: US-MD-Laurel Responsibilities... ...a consultant for leading edge information technologies and methodologies... ...management and network security services to the global enterprise, as well as systems and cloud engineering services...SuggestedContract workLocal areaShift work- ...of our nation’s safety and security. Make an impact by using... ...make a personal impact as an Information Systems Security Officer supporting customer... ...our differentiator. As an ISSO, you will help ensure today... ...Security Clearance Level : TS/SCI with active polygraph Preferred...Suggested
$146k - $234k
Responsibilities Manage system requirements and derived requirements... ...derived requirements for Information Assurance Services (... ...Control, Accountability); and Security Mechanism Technology (Passwords... ...bachelor's degree. A current TS/SCI w/ Poly is required. Desired...SuggestedContract workShift work$85k - $270k
A technology and security solutions firm is looking for ISSE/ISSO professionals in Laurel, MD. The role requires an active TS/SCI security clearance and offers a competitive pay range... ...must have experience in Information Systems Security Engineering/Operations and...Suggested$125k - $145k
...against U.S. interests. The position requires a Bachelor’s degree with significant experience or equivalent, along with a current TS/SCI clearance with CI polygraph. Compensation ranges from $125,000 to $145,000, coupled with a comprehensive benefits package, including...Senior$176k - $282k
Senior Systems Engineer Top Secret/SCI w/Poly Job Locations: US-MD-Laurel Requisition ID... ...5938 Position Category: Information Technology Clearance: Top... ...Qualifications: Active TS/SCI clearance with polygraph... ...next-generation national security company that drives...SeniorContract workShift work- Bespoketechinc is looking for Operations Advisors to join their team in McLean, Virginia. The role demands candidates to have an active TS/SCI w/Polygraph security clearance and a Bachelor’s degree. Responsibilities include managing operational requirements, conducting...Senior
$113k - $188.4k
...resources and implement controls that support security, compliance, and data integrity... ...: Bachelor’s degree ServiceNow Certified System Administrator (CSA) certification required... ..., now or at any time in the futureActive TS/SCI with Polygraph security clearance requiredAbility...SeniorLocal area- ...Specialist Senior to engage in defense and security efforts within the Pacific theater. You... ...that the business processes and systems essential for China-related mission activities... ...NEED TO SUCCEED Security Clearance: Active TS/SCI w/ polygraph On Customer Site Desired...Senior
- Coreone in McLean, Virginia is looking for an Operations Advisor to support their IC program. This position requires a TS/SCI with Polygraph clearance. The role involves assisting with taskings, project coordination, and executing complex projects. The ideal candidate...
- ...transition planning, requirements analysis, and architectural baselines for missions and systems. Strong communication to senior audiences is essential. Applicants should hold TS/SCI with polygraph, plus substantial experience guiding government programs, delivering...Senior
- ...responsibilities As the ISSO, you will complete the... ..., and maintenance of system accreditation and... ...Serve as the primary security lead, responsible for... ...management Must possess a TS/SCI CI Poly security clearance on... ...Reconnaissance Office (NRO) accreditation and...Work at officeWorldwide
- ENS Solutions, LLC is seeking a Systems Engineer to support enterprise ICAM/IAM initiatives... ...Radiant Logic, and design and test secure IAM solutions to enable User Life-Cycle Management... ...should have DoD 8570 IAT-II certs and TS/SCI clearance; 10+ years in #J-18808-Ljbffr...Senior
- ...Solutions seeks a senior storage engineering professional with active TS/SCI clearance and Polygraph to design, deploy, and optimize storage... ..., and participating in on‑call rotation, with a focus on high‑availability systems. #J-18808-Ljbffr Shield Consulting SolutionsSenior
$175k - $250k
...DescriptionECS is seeking a Sr. Databricks Consultant... ...in our Arlington, VA office. Please Note: This... ...data governance, security, and compliance standards... ...BenefitsJob RequirementsActive TS/SCI-CI Poly ClearanceProven... ...in Computer Science, Information Security, or a related...SeniorContract workWork at office$10k
...Systems Administrator III (Senior) Location: Suitland, MD (On... ...Clearance: Active Top Secret/SCI w/ CI Poly (Required) Certification: DoD 8140/8570 Compliant (Security+ CE or qualifying certification... ...~ Bachelor's degree in Information Technology, Computer Science...SeniorFull timeContract workTemporary workImmediate startFlexible hours$97.7k - $162.8k
...coding / development1+ years utilizing Tableau as a data visualization tool1+ years of survey design / supportBachelor's degreeActive TS/SCI with Polygraph clearance Ability to be on-site 100% of the time in Chantilly, VAMust be legally authorized to work in the United...SeniorLocal area$158.63k - $214.61k
...Possess: Top Secret SCI + Polygraph... ...Skills: Computer Security, Cybersecurity, Documentations... ...personal impact as an Information Systems Security Officer supporting customer... ...Systems Security Officer (ISSO), you will help... ...Security Clearance Level : TS/SCI with active...Full timeTemporary workPart timeWork experience placementImmediate startRemote workWorldwideFlexible hours- ...solutions that support national security? Do you thrive in fast-paced,... ...a talented and skilled System Administrator to join our Cyber... ...troubleshooting and maintenance of Information Technology (IT) systems.... ...Basic Qualifications: An Active TS/SCI clearance with polygraph is...
$102.83k - $154k
...$102,831.00 - $154,000.00 Security Clearance: TS/SCI Level of Experience: Mid This... ...resides with Warfare Systems (WS), a business group within... ...will doDesigns and implements information assurance and security engineering... ...security experience (ISSO, cyber analyst, cyber...SeniorFull timeWork experience placementLocal areaWorldwide- ...seeking Technical SETA SMEs to provide independent, objective systems engineering and technical expertise to government programs from... ...rigor, acquisition support, and mission alignment as a trusted advisor rather than a contractor delivering products. Roles span waveform...For contractors
- cFocus Software seeks a Lead Information System Security Officer (ISSO) to join our program supporting the Defense Intelligence Agency (DIA). This position... ...Washington DC, MD, & VA area. This position requires a TS/SCI + CI Polygraph clearance. Qualifications: ~ Active...Full time
$107.9k - $195.05k
Job DescriptionInformation Systems Security Officer (ISSO) Leidos - Cyber & Analytics Business Area, Key... ...opportunity for an experienced Information Systems Security Officer (ISSO) to join... ...information-assurance activities.Active TS/SCI clearance with Polygraph.Ability to...Full timeImmediate startRemote work- General information Job Posting Title Information System Security Officer (ISSO) Date Friday, July 24, 2026 City Arlington State VA Country... ...if fully onsite (Rosslyn, VA) and requires a TS/SCI clearance. Maximus TCS (Technology and Consulting...Minimum wageFull timeContract workTemporary workWork experience placement
- ...experience in intelligence analysis, an active TS/SCI clearance, and a strong understanding of cyber... ...collaborating with the Intelligence Community. The position offers a rewarding opportunity in national security operations and development. #J-18808-Ljbffr Kinsley Power SystemsSeniorFor contractors
$160k - $190k
...Cybersecurity Engineer / RMF ISSO - TS/SCI Clearance: Active TS/... ...comprehensive Trellix security environment while... ...Intelligence Office (CDAO) mission focused... ...securing advanced data systems . This role requires... ...Responsibilities Serve as Information System Security Officer...SeniorPermanent employmentFull timeContract workWork at officeImmediate startRemote work- ...Software Engineer - Top Secret/SCI w/Poly Job Locations: US-MD-Laurel... ...that are integrated into systems on large scale compute clusters... .... Work is in the customer office, regular/guaranteed telework... ...Basic Qualifications Active TS/SCI security clearance with polygraph is...SeniorWork at officeRemote work
- Senior ServiceNow (SNOW) Scrum Master - TS/SCI CI PolyDepartment: Government Customer - BethesdaLocation: Bethesda, MDACTIVE TS/SCI CLEARANCE WITH CI POLY REQUIRED TO BE CONSIDERED FOR THIS POSITIONWe are seeking a highly experienced Senior ServiceNow (SNOW) Scrum Master...SeniorFor contractors
$78.6k - $160.2k
...Information System Security Officer (ISSO)At Accenture Federal Services, nothing matters more than helping the... ...posture, and serving as the primary advisor on security and privacy matters for... ...Clearance:Active Secret, Top Secret, TS/SCI, or TS/SCI with Polygraph clearance...Local area
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