Mid/Sr. Manual Tester TS/SCI Poly LeidosMid/Sr. Manual Tester TS/SCI PolyAnnapolis Junction, MarylandThe selected candidate will perform component, integration, and system level testing by writing and executing system-level test procedures, evaluating changes made to software applications, and verifying defect corrective actions discovered during development, testing, and/or operational use. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
NewPerformance Tester - Remote ApolisPerformance Tester - RemoteFt. Meade, MDRemote$33–$34 / hourThe selected candidate will work closely with the client team to support performance testing, validation, and automation efforts. Clearance: Public Trust eligibility required; candidate must be willing and able to obtain the clearance before starting the project which will take approximately 4-6 weeks.
Software Tester L1 - TS/SCI with Poly required EmtakSoftware Tester L1 - TS/SCI with Poly requiredAnnapolis Junction, MarylandBachelor's degree in Computer Science, Engineering, or a related field (four additional years of Test Engineer experience may be substituted for the degree). We are seeking a Test Engineer Level 1 to support the testing and validation of mission-critical geospatial applications and Java microservices within the Intelligence Community.
Penetration Tester - Cyber Engineer CACI International Inc.Penetration Tester - Cyber EngineerAberdeen Proving Ground, MD$90,300–$189,600 / yearDesired:- Active TS/SCI- Certifications such as OSCP, OSCE, GPEN, GWAPT, GXPN, CEH, or CISSP- Experience in malware analysis or digital computer forensics- Scripting skills in Bash, Python, Perl, or Ruby- Systems programming experience- Keen interest in emerging penetration testing technologies and techniques- Familiarity with Android operating systems- Knowledge of UAS/UXS technologies- Understanding of radios and radio protocols- Experience analyzing embedded devices. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Senior ISSE/Penetration Tester TS/SCI Polygraph LeidosSenior ISSE/Penetration Tester TS/SCI PolygraphAnnapolis Junction, MarylandThe selected candidate will have a range of day-to-day responsibilities across multiple activities, including the following: Validating and verifying system security requirements and establishing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components. April 28, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Software Application Tester Salesforce (Cleared) Blue Sky Innovative SolutionsSoftware Application Tester Salesforce (Cleared)Fort Meade, MDWhat You'll Need to Join the Team Bachelor's degree + 5 years of experience in a Salesforce enterprise role, with hands-on testing of OmniStudio, Experience Cloud, permissions/sharing, and integrations; Agile and Atlassian suite experience including test plan development and automation. Blue Sky Innovative Solutions (Blue Sky) assists its federal, state and local, and commercial clients with solving their toughest challenges in the areas of IT Infrastructure Support and Engineering; Application Development and Maintenance; Program and Project Management; and Management Consulting.
Penetration Tester - Cyber Engineer CACIPenetration Tester - Cyber EngineerAberdeen Proving Ground, MarylandPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. - Expertise in exploitation techniques including buffer overflows, fuzzing, SQL injection, Man-in-the-Middle attacks, covert channels, secure tunneling, XSS, privilege escalation, and lateral movement.
Testers TriTech Enterprise Systems, Inc.TestersLanham, MDTriTech Enterprise Systems, Inc. is actively seeking IRS Business, Technical, Functional, QA, Performance and Mainframe for multiple IRS applications using Oracle, ETL (Informatica), JBoss, Java, and in Control-M environments. Proficient SQL writing, ETL Informatica workflow and rule validation experience, able to comprehend Oracle AWR reports, able to comprehend systems reports (Unix & Linux), analytical, and team player – 3 years.
Junior Penetration Tester - Cyber Engineer CACIJunior Penetration Tester - Cyber EngineerAberdeen Proving Ground, MarylandPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. - Expertise in exploitation techniques including buffer overflows, fuzzing, SQL injection, Man-in-the-Middle attacks, covert channels, secure tunneling, XSS, privilege escalation, and lateral movement.
Penetration Tester Booz Allen HamiltonPenetration TesterUsa, Maryland$86,900–$198,000 / yearOffensive Security Certified Professional (OSCP), HTB Certified Penetration Tester Specialist (CPTS), eLearnSecurity Junior Penetration Tester (EJPT), GIAC Global Information Assurance Penetration Tester (GPEN), or GIAC Cloud Penetration Tester Certification. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Senior Isse/Penetration Tester Ts/Sci Polygraph Leidos Holdings Inc.Senior Isse/Penetration Tester Ts/Sci PolygraphAnnapolis Junction, MD$131,300–$237,350 / yearThe selected candidate will have a range of day-to-day responsibilities across multiple activities, including the following: Validating and verifying system security requirements and establishing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components. Must have experience developing and implementing integrated security services management processes, such as assessing and auditing network penetration testing, anti-virus planning assistance, risk analysis, and incident response.
Performance Tester Matrix Systems & TechnologiesPerformance TesterBowie, MarylandOur client base includes; The State of Maryland, Maryland State Department of Education, Prince George’s County Maryland, IRS, Northrop Grumman, Computer Sciences Corporation, SAIC, Lockheed Martin, American University, and the Department of Health and Human Services. Preferred Qualifications: Experience with the following skills will be considered a significant plus in considering prospective candidates: · IBM Mainframe Unisys Mainframe DB2 · Informatica Business Objects · Knowledge of current IRS tax administration software applications is a significant plus.
Penetration Tester CymertekPenetration TesterAnnapolis Junction, MarylandCybersecurity, Computer Science, Information Technology, Information Security, Network Security, Systems Engineering, Computer Engineering, Digital Forensics, Ethical Hacking, Data Science, Electrical Engineering, Software Engineering, etc. Ethical Hacker, Vulnerability Analyst, Security Consultant, Red Team Specialist, Cybersecurity Analyst, Application Security Tester, Security Engineer, Offensive Security Engineer, Security Assessment Specialist, Cyber Threat Analyst, Exploit Developer, etc.
AWS Connect Developer and Tester GovServicesHubAWS Connect Developer and TesterBaltimore, MarylandDesign, develop and implement AWS Connect processes to include new or modifications to applications, forms, workflow, policies, actions, access control, interfaces, and any other configurations required to support client processes . Excellent understanding of change management, testing requirements, techniques, and tools to ensure high availability of systems .
Business Analyst/Tester - Baltimore, MD Georgia Tek SystemsBusiness Analyst/Tester - Baltimore, MDBaltimore, MDEducation Qualification: A Bachelor's Degree from an accredited college or university with a major in Computer Science, Information Systems, Engineering, Business, or other related scientific or technical discipline is required. Preferred Qualifications: Master's Degree from an accredited college or university with a major in Computer Science, Information Systems, Engineering, Business, or other related scientific or technical discipline.
NewPerformance Tester MATRIX SYSTEMS & TECHNOLOGIES INCPerformance TesterBowie, MDFull timePreferred Qualifications: Experience with the following skills will be considered a significant plus in considering prospective candidates: · IBM Mainframe Unisys Mainframe DB2 · Informatica Business Objects · Knowledge of current IRS tax administration software applications is a significant plus. · Review output to determine whether or not the test results fulfill the established requirements, and if necessary, notify the responsible programmers, both verbally and in writing, of errors, omissions, and inconsistencies in the programs and/or documentation.
Junior Penetration Tester - Cyber Engineer CACI International Inc.Junior Penetration Tester - Cyber EngineerAberdeen Proving Ground, MD$76,000–$155,700 / yearDesired:- Active TS/SCI- Certifications such as Sec+, PenTest+, CEH, Net+, or related- Experience conducting vulnerability scans, analyzing results, and identifying mitigations- Professional experience in grey/black box penetration testing or threat hunting- Expertise in exploitation techniques including buffer overflows, fuzzing, SQL injection, Man-in-the-Middle attacks, covert channels, secure tunneling, XSS, privilege escalation, and lateral movement- Experience in malware analysis or digital computer forensics- Experience interfacing with electronic hardware (e.g., taking apart devices and identifying hardware components)- Scripting skills in Bash, Python, Perl, or Ruby- Systems programming experience- Keen interest in emerging penetration testing technologies and techniques- Familiarity with Android operating systems- Knowledge of UAS/UXS technologies- Understanding of radios and radio protocols- Experience analyzing embedded devices. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Penetration Tester ManTechPenetration TesterFort Meade, MDBachelor of Science degree in Computer Science, Electrical Engineering, Computer Engineering, Physics or similar technical field and 10 years of penetration testing experience. + Lead the information assurance evaluation of target systems, including developing threat models, conducting security analysis and testing, demonstrating vulnerabilities and documenting the results.
Tester System OneTesterFort Meade, MarylandUtilize Jira for test case tracking, defect management, and workflow updates, and interface with GitHub repositories for build validation . System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewABE/ESL Tester/Advisor BALTIMORE CITY COMMUNITY COLLEGEABE/ESL Tester/AdvisorMDUnder the supervision of the Director of Adult Basic Education and Literacy Services, the Tester/Advisor is responsible for the daily testing and advising of students entering the Adult Basic Education program of the Workforce Development and Continuing Education. The Tester/Advisor is responsible for signing in examinees, administering test instructions, and ensuring the integrity of the exam by proctoring appropriate examination (TABE Online/Paper, or CASA Online/Paper).