Mantech seeks a motivated and career-oriented Windows Systems Administrator to join our team in Laurel, MD.You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organizationthe foundation of all Enterprise Information Technology (EIT) for MPO.Responsibilities include, but are not limited to:Support the implementation, troubleshooting, and maintenance of IT systemsProvide Tier 1 (Help Desk) and Tier 2/3 (Escalation) support for problem identification, diagnosis, and resolutionIdentify and resolve performance and capacity issues in Windows systems, and support hardware-related problem resolution and dispatchingDeliver detailed analysis and feedback to agency management and internal customers for escalated ticketsInstall operating system software, troubleshoot system issues, maintain system integrity, configure network components, and implement OS enhancements to improve reliability and performanceMust be willing to work a flexible schedule between 6:00am-6:00pm and may be assigned to an evening patching scheduleMinimum Qualifications:Bachelor’s degree in a technical discipline from an accredited college or university. 5 additional years of System Administrator experience might be substituted for a bachelor’s degree14+ years of experience as a System Administrator in programs and contracts of similar scope, type, and complexityExperience with configuring, maintaining and modernizing a Windows OS environmentExperience with patching Windows OS environments to meet security compliance requirementsIAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/ or SSCP)Preferred Qualifications:Familiarity with configuring, scripting, and managing Unix, and RHEL operating systemsFamiliarity with ScanboyFamiliarity with JIRA ticketing systemFamiliarity with Enclave environmentsFamiliarity with VMWareClearance Requirements:Must have a current/active TS/SCI with PolygraphPhysical Requirements:The candidate should be able to move, carry, and deliver workstations from inside the office to customer desksThe person in this position must be able to remain in a stationary position 50% of the timeMust communicate with co-workers, management, and customers via email, phone, or virtual meetings, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

Job ID: 695355BR Date posted: Jun. 10, 2025Description:THE WORKThis senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data analytics and agile development projects, as well as collaborating with cross-functional teams to drive mission objectives. WHO WE AREAt Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligence. We're committed to innovating at the Edge: Harnessing the latest advancements in cyber, artificial intelligence, and machine learning to stay ahead of emerging threats and opportunities.WHO YOU AREExperience as a Software Engineer with knowledge assisting in the design, development, testing, and debugging of software solutions, with a focus on Linux and Unix operating systems. Strong Familiarity with programming languages such as Java, Python and Hadoop.WHY JOIN USProviding ongoing training, mentorship, and development opportunities to help our cyber and intelligence professionals stay at the forefront of their field and achieve their career goals.Competitive and comprehensive benefits package.Rewards and recognition for your hard work.Medical and dental coverage.401k retirement savings plan.Paid time off for work/life balance.And moreBasic Qualifications:Bachelors degree from an accredited college in a related discipline, or equivalent experience/combined education, with 9 years of professional experience.• TS/ SCI with Poly• Experience with Kotlin, Java, Python• Experience developing REST APIs (FastAPI and Spring Preferred)• Docker, GIT and Gitlab experience• Experience working in an Agile development environmentDesired Skills:Work includes deploying Docker containers to Kubernetes and making sure the configurations allow for multiple users to upload large dataset uploads. This includes making updates to the VT research code in Python, building a media server using Kotlin and updating existing REST APIs. Responsibilities include being available to address any issues that may occur in the production environment. Desired Skills• Experience with RabbitMQ• Experience with Ray• Experience with Spring• Experience with FastAPI• Experience with S3• Experience with AWS• Experience with PostgresSQL (or similar SQL implementation)• Experience with ElasticsearchClearance Level: TS/SCI w/Poly SPOther Important Information You Should KnowExpression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.Schedule for this Position: 9x80 every other Friday offPay Rate: The annual base salary range for this position in California and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $128,200 - $225,975. For states not referenced above, the salary range for this position will reflect the candidate's final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer.Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.This position is incentive plan eligible.Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.If this sounds like a culture you connect with, you're invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.Experience Level: Experienced ProfessionalBusiness Unit: RMSRelocation Available: NoCareer Area: Software EngineeringType: Task Order/IDIQShift: First

MANTECH seeks a motivated, career and customer-oriented Cybersecurity Analyst Evenings to join our team in Tysons, VA The Cybersecurity Analyst will monitor Air Gapped Security Fabrics through managed SECOPs Tools.Responsibilities include but are not limited to:Monitoring Operations Center IT an infrastructure for a 24x7 mission critical SECOPs function.Performing event analysis within SIEM, leveraging systems to develop response tickets within case management tooling.Troubleshoot and coordinate with TIER 2 Analysts for event escalation and follow defined security playbooks for environments.Drive enhanced Security Posture through detections & response compliance.A customer first attitude is a mustWork Shift: Tuesday-Saturday or Sunday-Thursday, 3pm to 11pm. Schedules are subject to change based on business needs.Minimum Qualifications:High School Diploma with 3+ years of experience in Security Operations, Cyber Security, and/or Systems Administration.Experience with SIEM, IDS, EDR, and Case Management Tools.Experience with supporting operating systems, networking, scripting and automation, and Security Application troubleshooting.An active 8140 Certification, Comptia Security +Preferred Qualifications:Bachelor's degree in Information Technology/Computer Science field or equivalent practical experience.Experience in working with SOC systems/networks and supporting Security Detections DevelopmentExperience with security alert tuning, in partnership with TIER 2 and TIER 3 (Engineering) TeamsExperience with creating scripts to automate common tasks.Experience in developing Threat Reports, translating IOCs and alerts into narrative overviews.Understanding of local and wide area networks (LAN/WAN) and mobile computing environments.Understanding of STIG and hardening practicesClearance Requirements:An active TS/SCI with Polygraph clearancePhysical Requirements:Frequently moves Audio/Visual or Computer equipment weighing up to 50 pounds across and/or around a business campus or large facility.The person in this position needs to occasionally move about inside the office to access filing cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentationsConstantly positions self to maintain equipment, including under desks and in network closets.

Job ID: 699484BR Date posted: Jul. 29, 2025 Description:THE WORK This role involves comprehensive technical planning and execution across the full system lifecycle, including system integration, verification and validation, cost and risk analysis, and sustainment. Proficiency or exposure to Linux is a plus as many systems rely on Linux-based environments for development, deployment, and operational support. WHO WE AREAt Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligence. We're committed to:Innovating at the Edge: Harnessing the latest advancements in cyber, artificial intelligence, and machine learning to stay ahead of emerging threats and opportunities.Supporting Our Mission: Equipping our employees with the tools, resources, and expertise they need to deliver innovative cyber and intelligence solutions that protect our nation, our allies, and our way of life.WHO YOU AREExperience in-depth technical assessments at all levels, from initial concept through design, fabrication, testing, installation, operation, maintenance, and eventual system disposal. WHY JOIN USEmpowering Career Growth: Providing ongoing training, mentorship, and development opportunities to help our cyber and intelligence professionals stay at the forefront of their field and achieve their career goals.Competitive and comprehensive benefits package.Rewards and recognition for your hard work.Medical and dental coverage.401k retirement savings plan.Paid time off for work/life balance.Basic Qualifications:This position requires in-scope poly, within 7 years.The candidate must have experience with PostgreSQL and PostGIS.Key Responsibilities:• Design and optimize PostgreSQL database schemas, indexes, and queries for performance and scalability.• Monitor and tune database performance using native tools and custom scripts.• Implement and maintain high availability (HA) and replication strategies.• Collaborate with developers to refine complex queries and stored procedures.• Automate routine tasks using scripting languages (e.g., Bash, Python).• Document database architecture, processes, and best practices.Required Qualifications:• Strong SQL skills and experience with performance tuning and query optimization.• Proficiency in Linux/Unix environments and CLI tools like psql.• Experience with logical and physical replication, partitioning, and backup strategies.• Familiarity with monitoring tools (e.g., pg_stat_statements, Prometheus, Grafana).• Knowledge of scripting languages for automation and tooling.Desired Skills:Desired Qualifications:• Experience with containerized environments (Docker, Kubernetes).• Familiarity with cloud platforms (AWS RDS, GCP Cloud SQL, or Azure Database for PostgreSQL).• Understanding of CI/CD pipelines and infrastructure as code (Terraform, Ansible).• Exposure to other RDBMS (e.g., Oracle, MySQL) or NoSQL systems is a plus.Clearance Level: TS/SCI w/Poly SPOther Important Information You Should KnowExpression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.Schedule for this Position: 9x80 every other Friday offPay Rate: The annual base salary range for this position in California and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $85,500 - $150,765. For states not referenced above, the salary range for this position will reflect the candidate's final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year. This position is incentive plan eligible.Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.If this sounds like a culture you connect with, you're invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.Experience Level: Experienced ProfessionalBusiness Unit: RMSRelocation Available: NoCareer Area: Cyber Security EngineeringType: Task Order/IDIQShift: First

MANTECH seeks a motivated, career and customer-oriented Cloud Support Engineer to join our team in Tysons, VA. The Cloud Support Engineer will be part of a global team that provides 24x7 support to help customers seamlessly operate their hybrid on-premises Cloud infrastructure.In this role, you will troubleshoot technical problems for customers with a mix of debugging, networking, system administration, updating documentation, and when needed, coding/scripting.Responsibilities include but are not limited to:First contact for all Customer service requests - Answer phones, respond to chats and emails. A customer first attitude is a must.Maintain response and resolution speed as defined by SLOsKeep high customer satisfaction scores and follow quality standards in 90% of cases.Familiar with Product and can reference runbooks and playbooks to provide a meaningful resolution to CustomerProvide high-touch assistance to highest Tier customers, build in-depth understanding of most pressing customer issues and act as an advocate for such issues with engineers and Program Managers. Work Shift – this is for a evening shift 2pm-10pm position. Schedule to include but not limited to rotating weekends that may be required. Schedule subject to change based on business need.Minimum Qualifications:Associates degree in computer science or related field (2 years of relevant professional experience may be substituted for a degree) and 1+ year of relevant professional experience.In lieu of education/experience, each of the following certifications may substitute as follows:AWS Cloud Practitioner or Azure Fundamentals (AZ-900) can substitute 0.5 years’ experienceCompTIA Security+, ITIL Foundation, CompTIA Network+, or CompTIA A+ can substitute 1 year of experience.AWS Solutions Architect Associate, Azure Administrator, Google Cloud Engineer, Cisco CCNA, CompTIA Linux+ Professional, Azure Solutions Architect (AZ-305), Google Professional Cloud Architect, or Certified Information Systems Security Professional (CISSP) can substitute 2 years’ experienceBasic understanding of Networking and Cloud technologiesWorking knowledge of Systems: UNIX/Linux or WindowsWorking knowledge of any customer service ticketing systemAbility to read runbooks & playbooks & provide meaningful summaries to CustomersWorking knowledge of Google Workspace Tools (Doc, sheets and Slides)Preferred Qualifications:Great communication skills (written and verbal)Experience working with ServiceNowCCNA or equivalentClearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers.

MANTECH seeks a motivated, career and customer-oriented Cybersecurity Analyst Days to join our team in Tysons, VA The Cybersecurity Analyst will monitor Air Gapped Security Fabrics through managed SECOPs Tools.Responsibilities include but are not limited to:Monitoring Operations Center IT an infrastructure for a 24x7 mission critical SECOPs function.Performing event analysis within SIEM, leveraging systems to develop response tickets within case management tooling.Troubleshoot and coordinate with TIER 2 Analysts for event escalation and follow defined security playbooks for environments.Drive enhanced Security Posture through detections & response compliance.A customer first attitude is a mustWork Shift: Tuesday-Saturday 7am to 3pm. Schedules are subject to change based on business needs.Minimum Qualifications:High School Diploma with 3+ years of experience in Security Operations, Cyber Security, and/or Systems Administration.Experience with SIEM, IDS, EDR, and Case Management Tools.Experience with supporting operating systems, networking, scripting and automation, and Security Application troubleshooting.An active 8140 Certification, Comptia Security +Preferred Qualifications:Bachelor's degree in Information Technology/Computer Science field or equivalent practical experience.Experience in working with SOC systems/networks and supporting Security Detections DevelopmentExperience with security alert tuning, in partnership with TIER 2 and TIER 3 (Engineering) TeamsExperience with creating scripts to automate common tasks.Experience in developing Threat Reports, translating IOCs and alerts into narrative overviews.Understanding of local and wide area networks (LAN/WAN) and mobile computing environments.Understanding of STIG and hardening practicesClearance Requirements:Must have a current/active TS/SCI with Polygraph clearancePhysical Requirements:Frequently moves Audio/Visual or Computer equipment weighing up to 50 pounds across and/or around a business campus or large facility.The person in this position needs to occasionally move about inside the office to access filing cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentationsConstantly positions self to maintain equipment, including under desks and in network closets.

ManTech seeks a motivated, career and customer-oriented Python Software Developer join our team in Herndon, VA.Join an elite team of Software Developers, Data Engineers, and System Engineers who are developing and deploying unprecedented capabilities for the Intelligence Community. If you’re interested in directly changing the way new technology is used to protect our country, come join us!Responsibilities include, but are not limited to:Understand requirements and think strategically and creatively to formulate implementable solutions.Design and develop software components which may involve interfacing with other functional teams and areas.Participate in code and design reviews.Research data sources and technical solutions to effectively extract, transform, and load data into a database for data processing and analysis.Work with team members to understand the current product features.Follow the development processes and standards used by the team and coach junior team members on softwaredevelopment best practices, highlighting the impacts of design decisions, and making code efficient.Commit to continuous process improvement concerning software integration efforts and CI/CD Pipeline.Minimum Qualifications:B.S. in Computer Science or Information Technology and 7+ years’ experience with software development or HS Diploma and 11+ years of experience5+ years of recent hands-on python developmentExperience with ETLExperience in SQLExperience in the Software Development Life Cycle to include debugging, testing, and deployment to different environmentsPreferred Qualifications:Experience with Agile development, SCRUM or Agile methodologyExperience with AWS or similar cloud technologiesClearance Requirements:Active/current TS/SCI w/ PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the time

ManTech seeks a motivated, career and customer-oriented Cyber Network Defense Analyst in Herndon, VA.As a CND Analyst on our team, you will use your expertise in specialized network defense to provide innovative and creative solutions to challenging cyber security problems. You will utilize the latest cyber tools available and assist with creating new ones while allowing you to advance the nation's information security posture.Responsibilities include, but are not limited to:Provide malicious code detection, intrusion detection, and information security tool development and integration.Utilize forensic analysis to identify malware, misuse, and/or unauthorized activity.Investigate and report on virus and malware alerts or incidents to determine root cause, entry point of code and damage risk.Analyze all data sources, including Internet, Intelligence Community (IC) reporting, security events, firewall logs, and other data sources to identify malware, misuse, unauthorized activity or other cyber security related concerns.Track intelligence using open source and classified sources to identify malicious code threats and provide solutions to counteract that threat.Manage and administer the tuning of rules, signatures, and custom content for CND applications and systems and identify potential conflicts with implementation of any CND tools within the enterprise and develop recommendations to remediate these conflictsProvide logical use case development.Provide and track requirements to engineering partners.Identify gaps in visibility or coverage of cyber defense systems.Prepare data analytics and reporting.Minimum Qualifications:High School Diploma and 11+ years of experience in a cyber security or network security role, or Bachelor’s degree in a technical field with 7+ years of experienceExperience writing script in programming languages such as Python, JavaScript, Yara or SnortExperience using SIEM tools for case development and applicationExperience with network security applications, protocols, and associated hardwareExperience with one or more of the following classes of enterprise cyber defense technologies: SysMon, Network and Host based IDS and IPS, Network and host-based malware detection and prevention, Endpoint Detection & Response (EDR) and Network Detection & Response (NDR), Network and Host malware detection and prevention (EDR/NDR) tools, Web/Email gateway security technologies, Security Orchestration, Automation and Response (SOAR) or Cloud Based platforms such as Azure, AWS, or GooglePreferred Qualifications:Experience working with MITRE ATT&CKExperience with Splunk or Splunk Enterprise SecurityExperience with forensics tools and applicationsClearance Requirements: Must have an active/Current TS/SCI with polygraphPhysical Requirements:Must be able to remain in a stationary position 50%

MANTECH seeks a motivated, career and customer-oriented Senior Capability Developer to join our team in Annapolis Junction, Maryland.We're looking for a Senior Capability Developer to join our elite team. In this role, you'll apply your deep technical expertise to analyze, reverse-engineer, and develop mission-critical capabilities that directly support national security objectives. You will be a key player in a fast-paced environment, tackling unique challenges at the intersection of hardware, software, and embedded systems.Responsibilities include but are not limited to:Develop custom software tools and applications using Python, C, and Assembly, focusing on embedded and resource-constrained systems.Conduct rigorous code reviews to ensure the quality, security, and performance of developed software.Reverse engineer complex hardware and software systems to understand their inner workings and identify potential vulnerabilities.Perform in-depth vulnerability research to discover and analyze weaknesses in a variety of targets.Collaborate with a team of skilled engineers to design and implement innovative solutions to challenging technical problems.Minimum Qualifications:Bachelor's degree and 12 years of experience; or, a high school diploma with 16 years of experience; or, an Associate's degree with 14 years of experience. A Master's degree may substitute for 2 years of experience, and a PhD may substitute for 4 years of experience. Must have 7 years of position-relevant work experience Proficiency in programming and application development.Strong scripting skills, particularly in Python, C, and Assembly.Deep expertise in managing, configuring, and troubleshooting Linux.Experience in embedded systems.Experience in reverse engineering and vulnerability research of hardware and software.Experience in code review.Preferred Qualifications:Experience in CNO (Computer Network Operations) Development.Experience in virtualization.Knowledge of IoT (Internet of Things) devices.Experience with Linux Kernel development and sockets.Knowledge of integrating security tools into the CI/CD (Continuous Integration/Continuous Delivery) pipeline.Networking skills.Clearance Requirements:Top Secret/SCIPhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations