NewLead Security Engineer with TS/SCI Poly LeidosLead Security Engineer with TS/SCI PolyAnnapolis Junction, MD$154,050–$278,475The selected individual will lead all security engineering efforts for a large, complex network environment with geographically distributed systems; and will manage a team of Information Systems Security Officers (ISSOs) and Information Systems Security Engineers (ISSEs), providing technical leadership and direction to meet program requirements. At least twelve years of experience with defense-in-depth principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.
NewLead Security Engineer Dev Technology GroupLead Security EngineerSuitland, MD$120,000–$190,000 / yearAs a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. Collaborate with application developers, data engineers, systems engineers, and OIS to identify and mitigate vulnerabilities, and provide expert security consultation to development teams.
AWS Cloud Security Engineer System OneAWS Cloud Security EngineerMcLean, VARemoteSupport alignment with security and compliance frameworks such as CIS Benchmarks, NIST, HIPAA, FedRAMP, and SOC 2. • Assist with incident detection, investigation, response, and audit trail maintenance across AWS accounts and services. • Strong hands-on knowledge of AWS services, including EC2, S3, RDS, Lambda, ECS/EKS, CloudFront, Route 53, IAM, CloudTrail, AWS Config, and KMS.
NewSr Cyber Security Engineer System OneSr Cyber Security EngineerReston, VA$83.33–$83.33 / hourStrong knowledge of Kubernetes and container security, including Amazon EKS, RBAC, network policies, image security, and container hardening. Familiarity with security frameworks such as NIST CSF, NIST 800-53, ISO 27001, SOC2, CIS Benchmarks, MITRE ATT&CK.
Senior IT Risk and Compliance Analyst NORC at the University of ChicagoSenior IT Risk and Compliance AnalystWashington, D.C.$97,000–$120,000 / yearWith world-class benefits, a business casual environment, and an emphasis on continuous learning, NORC is a place where people join for the stellar research and analysis work for which we’re known, and stay for the relationships they form with their colleagues who take pride in the impact their work is making on a global scale. Experience conducting incident response across vendors, internal stakeholders, and program owners, including implementing, and coordinating the response plan, overseeing the technical response, and coordinating with legal, technical, and communications teams.
NewCIOCC Tier 3 Analyst PlanIT GroupCIOCC Tier 3 AnalystRockville, MDThe CIOCC Tier 3 Analyst shall be responsible for the following but not limited to: Analyze and respond to security events and incidents from SIEM, Firewall (FW), Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS), Antivirus (AV), Network Access Control (NAC) and other client data sources. This is a customer facing role, and will require excellent analytic and communication skills, delegation, and shared ownership of team processes.
NewSystems Integration Engineer (NDA-2) LeidosSystems Integration Engineer (NDA-2)Fort Meade, MD$73,450–$132,775Bachelor's degree plus 5-years of relevant experience, or master’s degree plus 3-years of relevant experience or an associate’s degree plus 7-years of relevant experience or high school diploma/GED plus 9-years of relevant experience may be considered. Relevant experience must be in computer or information systems design/development, programming, information/cyber/network security, vulnerability analysis, penetration testing, computer forensics, information assurance and/or systems engineering.
Cyber Security Engineer III System OneCyber Security Engineer IIISpringfield, VA$135,000–$135,000 / hourThe ideal candidate will have hands on experience in incident response, CSOC or SOC operations, digital forensics, malware analysis, indicator development, and cyber incident reporting within a DoD, Intelligence Community, or federal cyber environment. • Experience supporting cyber incident response, CIRT, CSOC, SOC, DFIR, threat hunting, or defensive cyber operations.
NewInformation System Security Officer (ISSO) LeidosInformation System Security Officer (ISSO)Lorton, VA$107,900–$195,050It's a better process: facilitating a continuous ATO through real-time monitoring and dashboards that provide single pane of glass visibility into control compliance, zero-trust built-in to system design from day one, continuous evidence that gives auditors real-time proof instead of point-in-time packages, and an ATO that program teams can inherit rather than pursue. June 25, 2026For 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.
NewNIH - Penetration Tester cFocus SoftwareorporatedNIH - Penetration TesterBethesda, MarylandRemoteDuties:Conduct enterprise penetration testing activities including:Perform internal and external network penetration testing. cFocus Software seeks a Penetration Tester to join our program supporting the National Institutes of Health (NIH).
Senior ISSE/Penetration Tester TS/SCI Polygraph Leidos Holdings IncSenior ISSE/Penetration Tester TS/SCI PolygraphMD$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.
Penetration Tester (Part Time & Remote) TestProsPenetration Tester (Part Time & Remote)Sterling, VARemotePart timeWork closely with development teams, product managers, and customer success teams to ensure successful delivery of consulting services or product implementation projects and remove roadblocks . TestPros considers several factors when extending an offer, including but not limited to, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, geographic location, education, and certifications.
Lead Penetration Tester Emerald Technical SolutionsLead Penetration TesterLeesburg, Virginia$150,000–$160,000 / yearThis role is responsible for executing authorized penetration testing activities across FAA/DOT systems and networks, documenting processes and procedures, producing required reports and deliverables, and supporting Red/Blue Team and incident response exercises from an offensive perspective. Support Red/Blue Team exercises and incident response plan (IRP) exercises, including attack scenario development, execution, and post-exercise analysis.
Penetration Tester Peraton IncPenetration TesterArlington, VA$86,000–$138,000 / yearAs the worlds leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Common application vulnerabilities and exploits such as outdated components, permissions mis-configurations, lack of input validation, logging/monitoring failures, etc.
Penetration Tester SkyePoint DecisionsPenetration TesterArlington, VA$95,000–$112,000 / yearSkyePoint Decisions is a leading Cybersecurity Architecture and Engineering, Critical Infrastructure and Operations, and Applications Development and Maintenance IT service provider headquartered in Dulles, Virginia with operations across the U.S. We provide innovative enterprise-wide solutions as well as targeted services addressing the complex challenges faced by our federal government clients. SkyePoint Decisions is seeking a Penetration Tester to support the Diplomatic Security Cyber Mission (DSCM) program providing leading cyber and technology security experience to enable innovative, effective, and secure business processes.
Penetration Tester / Active Secret Peraton IncPenetration Tester / Active SecretArlington, VA$86,000–$138,000 / yearPossess one of the following certifications, OR be able to obtain before start date: CCNA Cyber Ops, CCNA-Security, CEH, CFR, Cloud+, CySA+, GCIA, GCIH, GICSP, SCYBER, Security+ CE, SSCP. 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.
Penetration Tester PeratonPenetration TesterArlington, Virginia$86,000–$138,000 / yearFull timePossess one of the following certifications, OR be able to obtain before start date: CCNA Cyber Ops, CCNA-Security, CEH, CFR, Cloud+, CySA+, GCIA, GCIH, GICSP, SCYBER, Security+ CE, SSCP. 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.
NewSenior Penetration Tester - Web & Hardware/IoT JPMorgan Chase & CoSenior Penetration Tester - Web & Hardware/IoTMcLean, VAWorking knowledge of testing approaches for connected devices/IoT and purpose-built banking devices (e.g., ATMs, POS), including common attack surfaces such as exposed services, remote administration paths, authentication/authorization, hardening gaps, and insecure configurations. Experience assessing embedded systems / IoT devices in lab or onsite environments (e.g., device interface review, firmware/configuration analysis, and network/service exposure testing) relevant to ATM/POS ecosystems.
Cyber Penetration Tester SME- Active TS (SCI and CI/Poly Eligible) VibrintCyber Penetration Tester SME- Active TS (SCI and CI/Poly Eligible)Reston, VAFull timeAdvanced Penetration Testing Expertise: Proven experience leading and conducting complex penetration tests in enterprise or federal environments, including adversary emulation, red team-style assessments, and validation of security controls against advanced threats. Technical Proficiency in Offensive Security Tooling: Hands-on experience with tools such as Kali Linux, Metasploit, Burp Suite Pro, Cobalt Strike, Nmap, Nessus, BloodHound, Impacket, and other offensive security platforms used for enumeration, exploitation, and reporting.
Penetration Tester / Active Secret PeratonPenetration Tester / Active SecretArlington, Virginia$86,000–$138,000 / yearFull timePossess one of the following certifications, OR be able to obtain before start date: CCNA Cyber Ops, CCNA-Security, CEH, CFR, Cloud+, CySA+, GCIA, GCIH, GICSP, SCYBER, Security+ CE, SSCP. 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.
NewNIH - Penetration Tester cFocus Software IncorporatedNIH - Penetration TesterBethesda, MDRemoteFull timeDuties:Conduct enterprise penetration testing activities including:Perform internal and external network penetration testing. cFocus Software seeks a Penetration Tester to join our program supporting the National Institutes of Health (NIH).
Senior Penetration Tester CoStar Group IncSenior Penetration TesterArlington, VAIncluded in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the worlds real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. Collaborate with detection engineering and incident response on purple team exercises, validating that preventative and detective controls behave as expected against realistic adversary techniques.
Penetration Tester CymertekPenetration TesterReston, VirginiaCybersecurity, 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.
Penetration Tester - TS/SCI with Polygraph GD Information TechnologyPenetration Tester - TS/SCI with PolygraphMcLean, VirginiaTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. Education: Bachelor's Degree (Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Information Technology, Cybersecurity, or a closely related discipline).
Penetration Tester Accenture Federal ServicesPenetration TesterWashington, DCThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is:$126,300—$243,100 USD What We BelieveAs a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland.
Senior Penetration Tester Foxhole TechnologySenior Penetration TesterLeesburg, VA$140,000–$160,000 / yearVirginia Pay Range$140,000—$160,000 USDRequirements of position: Think analytically, effective verbal and written communication skills, make decisions, observe/remember details, interpret data, concentrate on tasks, adjust to change, handle stress/emotions. The Senior Pen Tester will: Ensure all staff are trained and knowledgeable of the penetration testing tools and in the ability to assess penetration testing findings.
Penetration Tester w/ Secret Clearance TekSynap CorpPenetration Tester w/ Secret ClearanceDCCertifications DoD 8570 IAM Level III Baseline Certification: Certified Information Security Manager (CISM) Certified Information Systems Security Professional (CISSP) Certified Chief Information Security Officer (CCISO) Must hold a penetration testing certification, such as: Licensed Penetration Tester (LPT) Certified Expert Penetration Tester (CEPT) Certified Ethical Hacker (CEH) GIAC Penetration Tester (GPEN) OR have a minimum of eight (8) years of penetration testing experience. "Technology moving at the speed of thought" embodies these principles - the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.
Senior Penetration Tester JPMorgan Chase & CoSenior Penetration TesterDCJPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P. Our history spans over 200 years and today we are a leader in investment banking, consumer and small business banking, commercial banking, financial transaction processing and asset management.
Red Team Operator/ Cloud Penetration Tester Cyber Defense TechnologiesRed Team Operator/ Cloud Penetration TesterChantilly, VirginiaAssist full project lifecycle scoping, planning, execution, monitoring, and closing activities to include: scoping engagements, preparing documentation, building/enhancing operational infrastructure, testing and validating capabilities, leading assessments from kick-off through remediation, and completing after-action reports/lessons learned. The ideal candidate possesses a deep understanding for information security, computer network operations, and cloud infrastructure, particularly with major cloud service providers including Amazon Web Services (AWS), IBM, Google Cloud, Microsoft Azure and Oracle Cloud.
NewPenetration Tester Leidos Holdings IncPenetration TesterHerndon, VA$131,300–$237,350 / yearThe team will also analyze test results, document risks, and recommend countermeasures to uncovered risks; participate or lead technical exchange meetings and application review boards; document action items and results from technical exchange meetings and application review boards; and brief management on the status of action items and results of activities. Must have a Bachelor's degree in Computer Science, Information Systems, Engineering, or other related scientific or technical discipline and at least 12 years of relatable experience OR Masters in Computer Science, Information Systems, Engineering, or other related scientific or technical discipline and at least 10 years of relatable experience.
Senior Penetration Tester Cyber Defense TechnologiesSenior Penetration TesterChantilly, VirginiaAssociate’s degree and 9 years of relevant work experience, Bachelor's Degree and 7 years of relevant work experience, Master’s degree and 5 year of relevant work experience. Conducting more complex penetration tests, exploring more complex vulnerability analysis including misconfigurations and zero-day exploits, and developing more sophisticated exploitation techniques.
SME Penetration Tester Cyber Defense TechnologiesSME Penetration TesterChantilly, VirginiaConducting more complex penetration tests, exploring more complex vulnerability analysis including misconfigurations and zero-day exploits, and developing more sophisticated exploitation techniques. At CDT, we offer a collaborative and inclusive work environment where your expertise in Penetration Testing will help shape the future of cybersecurity and engineering solutions.
Penetration Tester PingWindPenetration TesterAlexandria, VirginiaPingWind is seeking a Penetration Tester responsible for supporting authorized penetration testing and security assessment activities to identify, validate, and document vulnerabilities in MODES III systems and cloud-hosted environments in accordance with Government cybersecurity requirements. Certifications: Holds or is working toward penetration testing and offensive security certifications appropriate for DoD environments, such as CEH, PenTest+, GPEN, OSCP, or equivalent DoD 8570/8140-approved cybersecurity certifications.
NewPenetration Tester Booz Allen Hamilton IncPenetration TesterMD$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.
Intermediate Penetration Tester Cyber Defense TechnologiesIntermediate Penetration TesterChantilly, VirginiaAssociate’s degree and 4 years of relevant work experience, Bachelor's Degree and 3years of relevant work experience, Master’s degree and 2 year of relevant work experience. Conducting more complex penetration tests, exploring more complex vulnerability analysis including misconfigurations and zero-day exploits, and developing more sophisticated exploitation techniques.
Application Penetration Tester Booz Allen Hamilton IncApplication Penetration TesterChantilly, VA$62,000–$141,000 / yearOnsite: 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. Apply security testing and penetration testing techniques and mindset to a wide range of projects, become part of a team of security enthusiasts that perform cutting-edge research, and promote an environment of innovation and knowledge sharing.
Penetration Tester / Secret Peraton IncPenetration Tester / SecretDC$104,000–$166,000 / yearThis role supports critical national security missions by identifying vulnerabilities, emulating real-world adversaries, and strengthening defensive cyber capabilities across enterprise, cloud, mobile, IoT, and High Value Asset (HVA) systems. You will lead technical engagements, drive red team operations, and collaborate closely with SOC, incident response, and engineering teams to ensure findings translate into measurable security improvements.
Penetration Tester Cyber Defense TechnologiesPenetration TesterChantilly, VirginiaSystem methodologies including: client/server, web hosting, web content servers, policy servers, directory servers, firewalls, WAN, MAN, LAN, switches, and routers. At CDT, we offer a collaborative and inclusive work environment where your expertise in Penetration Testing will help shape the future of cybersecurity and engineering solutions.
Senior Penetration Tester JPMorgan Chase Bank, N.A.Senior Penetration TesterWashington, DCFull timeJPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P. Our history spans over 200 years and today we are a leader in investment banking, consumer and small business banking, commercial banking, financial transaction processing and asset management.
Government and Public Sector - Cybersecurity Penetration Tester - Senior Consultant Ernst & Young Global LtdGovernment and Public Sector - Cybersecurity Penetration Tester - Senior ConsultantMcLean, VA$104,800–$192,200 / yearIf you have a disability and either need assistance applying online or need to request an accommodation during any part of the application process, please call 1-800-EY-HELP3, select Option 2 for candidate related inquiries, then select Option 1 for candidate queries and finally select Option 2 for candidates with an inquiry which will route you to EY's Talent Shared Services Team (TSS) or email the TSS at ssc.customersupport@ey.com. From strategy to execution, the Government & Public Sector practice ("GPS") of Ernst & Young provides a full range of consulting and audit services to help our Federal, State, Local and Education clients implement new ideas to help achieve their mission outcomes.
Lead Penetration Tester Helm Point SolutionsLead Penetration TesterFt. Meade, MarylandWe are seeking a Lead Penetration Tester to join a high-performing Agile team supporting a large, complex program responsible for system engineering, software development, testing, integration, and operational support. This position is part of an elite group of cybersecurity professionals dedicated to preventing, identifying, containing, and eradicating cyber threats across enterprise information systems.
NewPenetration Tester (Cyber Security Project Engineer) Ardent Principles, Inc.Penetration Tester (Cyber Security Project Engineer)Chantilly, Virginia$130,000–$260,000 / yearThis role involves analyzing network architectures, performing network security assessments, designing and testing IT security architectures, and reviewing enterprise system and hypervisor configurations. Who We Are: Ardent Principles delivers cutting‑edge capabilities across data science, data engineering, software engineering, AI solutions, cybersecurity, and IT program management.
Jr Cyber Penetration Tester / Secret Peraton IncJr Cyber Penetration Tester / SecretArlington, VA$66,000–$106,000 / yearThis Federal Strategic Cyber program encompasses technical, engineering, data analytics, cyber security, management, operational, logistical and administrative support to aid and advise the Cyber & Technology Security (CTS) Directorate. Either possess or obtain prior to start date ONE of the following certifications: CCNA Cyber Ops, CCNA-Security, CEH, CFR, Cloud+, CySA+, GCIA, GCIH, GICSP, or SCYBER.
Jr Cyber Penetration Tester Peraton IncJr Cyber Penetration TesterArlington, VA$66,000–$106,000 / yearThis Federal Strategic Cyber program encompasses technical, engineering, data analytics, cyber security, management, operational, logistical and administrative support to aid and advise the Cyber & Technology Security (CTS) Directorate. 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.
Penetration Tester LeidosPenetration TesterHerndon, VirginiaThe team will also analyze test results, document risks, and recommend countermeasures to uncovered risks; participate or lead technical exchange meetings and application review boards; document action items and results from technical exchange meetings and application review boards; and brief management on the status of action items and results of activities. Must have a Bachelor's degree in Computer Science, Information Systems, Engineering, or other related scientific or technical discipline and at least 12 years of relatable experience OR Masters in Computer Science, Information Systems, Engineering, or other related scientific or technical discipline and at least 10 years of relatable experience.
Jr Cyber Penetration Tester PeratonJr Cyber Penetration TesterArlington, Virginia$66,000–$106,000 / yearFull timeThis Federal Strategic Cyber program encompasses technical, engineering, data analytics, cyber security, management, operational, logistical and administrative support to aid and advise the Cyber & Technology Security (CTS) Directorate. Must possess and maintain ONEof the listed certifications below: CCNA Cyber Ops, CCNA-Security, CEH, CFR, Cloud+, CySA+, GCIA, GCIH, GICSP, or SCYBER.
Jr Cyber Penetration Tester / Secret PeratonJr Cyber Penetration Tester / SecretArlington, Virginia$66,000–$106,000 / yearFull timeThis Federal Strategic Cyber program encompasses technical, engineering, data analytics, cyber security, management, operational, logistical and administrative support to aid and advise the Cyber & Technology Security (CTS) Directorate. Either possess or obtain prior to start date ONE of the following certifications:CCNA Cyber Ops, CCNA-Security, CEH, CFR, Cloud+, CySA+, GCIA, GCIH, GICSP, or SCYBER.
Enterprise Cybersecurity Penetration Tester Booz Allen Hamilton IncEnterprise Cybersecurity Penetration TesterMcLean, VA$86,800–$198,000 / yeararrow-right Missions arrow-right Civil Government arrow-right Commercial arrow-right Cyber Fusion Centers arrow-right Cybersecurity Strategy arrow-right Incident Response arrow-right Defense arrow-right Energy Resources & Utilities arrow-right Health arrow-right Homeland Security & Law Enforcement arrow-right Intelligence arrow-right International arrow-right Asia Pacific arrow-right Europe arrow-right Space arrow-right Transportation. arrow-right Careers arrow-right Search Jobs arrow-right Teams & Missions arrow-right Life at Booz Allen arrow-right Benefits Flexibility Professional Development arrow-right Locations arrow-right Recruiting & Networking Events arrow-right Military Talent arrow-right University Talent arrow-right Candidate Resources arrow-right Returning Applicants.
Associate Principal OT Penetration Tester Dragos IncAssociate Principal OT Penetration TesterDCRemoteYou will shape engagement strategy and uncover real‑world attack paths across ICS/OT networks through hands‑on exploitation and deep technical analysis, working closely with customers across critical infrastructure sectors such as oil and gas, electric, water treatment, and manufacturing. About the Role: Our Professional Services Team is seeking Associate Principal OT Penetration Tester who will provide technical leadership across vulnerability assessments, penetration testing, and adversary emulation activities supporting customer services engagements.
Penetration Tester OR Pen Tester Pyramid, IncPenetration Tester OR Pen TesterMcLean, VA$70–$80 / hourFull time5-7 years of relevant experience in IT Security Hands-on experience with Cloudflare implementing API security Understanding of cryptography concepts: hashing, signing, symmetric/asymmetric encryption and decryption, etc. Working knowledge of networking, (routing, DNS, common ports, protocols, and firewalls) Our client is a leading Banking Industry, and we are currently interviewing to fill this and other similar contract positions.