28 Results for

Online IT Jobs in Oxon Hill, MD

Jobs

Technical Support Analyst III - Enterprise Physical Operations Washington University in St Louis

Washington

ARCHIBUS, Asset Management, Communication, Computer Science, Customer Service, Deadline Management, End User Support, ESRI Software, Geographic Information Systems (GIS), GPS Technologies, Information Technology (IT), Microsoft Applications, Microsoft Tools, ServiceNow Platform, Software Testing, Working Independently Grade . This role contributes directly to operational excellence providing consultation, analytical support, and/or training to clients of computer or other technology-based systems effectively to support EPO services and customer experiences.

30+ days ago

Systems Engineering- TS/SCI with Poly Peraton

Annapolis Junction, Maryland

$135,000–$216,000 / year
Full time

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. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.

30+ days ago

Senior Information Systems Security Engineer ManTech International Corp

Washington, DC

$141,500–$236,000 / year

4 + years of focused experience in one or more of the following: computer network penetration testing and techniques; computer evidence seizure, computer forensic analysis, and data recovery; computer intrusion analysis and incident response, intrusion detection; computer network surveillance and monitoring; network protocols, network devices, multiple operating systems, and secure architectures. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.

30+ days ago

Sr Information Systems Security Engineer (ISSE) - SCA, Advisor - TS/SCI w/poly Peraton

Quantico, Virginia

$146,000–$234,000 / year
Full time

Serve as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts. 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.

10 days ago

Information Systems Security Manager (ISSM) Kratos Defense

Glen Burnie, MD

Strong communication skills, strong critical thinking and problem-solving skills; self-motivated with ability to effectively prioritize multiple projects; ability to work with people in a team environment and deal effectively with changing project priorities. ESSENTIAL JOB FUNCTIONS: Implement the risk management framework for classified systems, typically following the Defense Counterintelligence Security Agency (DCSA), DAAG or JSIG process and supporting communications with cognizant security authorities.

30+ days ago

Junior Systems Administrator Peraton

Fort Meade, Maryland

$112,000–$179,000 / year
Full time

You will also provide assistance to users in accessing and using IT systems; provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems; provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Peraton offers enhanced benefits to employees working on 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 eligible to participate in an attractive bonus plan.

30+ days ago

Information Systems Security Officer (ISSO) Markon Solutions

Annapolis Junction, MD

$120,000–$200,000 / year

Ensure the appropriate operational security posture is maintained for an information system• Support continuous monitoring of networks to detect and correct areas of security non-compliance, unmitigated vulnerabilities, and other risks• Follow consistent security processes and play a role in the information systems continuous monitory program• Perform regular audits of information systems• Assist the information systems security manager in preparing the information system for periodic reaccreditation. Desired Qualifications: Experience as an ISSO/ISSE with emphasis on Defense-in-Depth principles, network, and enterprise security architecture• Experience applying the principles of the NIST 800-53 including the procedures in the Risk Management Framework (RMF)• Familiarity with STE/STN requirements• Excellent written and oral communication skills.

30+ days ago

Information Systems Security Officer (ISSO) Markon

Annapolis Junction, Maryland

$120,000–$200,000 / year
Full time

Responsibilities: • Ensure the appropriate operational security posture is maintained for an information system • Support continuous monitoring of networks to detect and correct areas of security non-compliance, unmitigated vulnerabilities, and other risks • Follow consistent security processes and play a role in the information systems continuous monitory program • Perform regular audits of information systems • Assist the information systems security manager in preparing the information system for periodic reaccreditation Qualifications: Active TS/SCI W/ Polygraph. • Experience as an ISSO/ISSE with emphasis on Defense-in-Depth principles, network, and enterprise security architecture • Experience applying the principles of the NIST 800-53 including the procedures in the Risk Management Framework (RMF) • Familiarity with STE/STN requirements • Excellent written and oral communication skills Salary Range: USD $120,000.00 - USD $200,000.00 /Yr.

30+ days ago

Service Desk Technician L2 Milestone Technologies Inc.

Washington, DC

Lead in ticket processes and provides coaching for other technicians when workflow deficiencies are identified Have deep understanding of defined team metrics, such as backlog, aging, effectiveness; this technician then takes actions based on the current trends in service. We pride ourselves on hiring bright, driven, enthusiastic Help Desk Technicians that have experience in supporting in primarily PC environments but can also handle a Mac equally well.

30+ days ago

Information System Security Officer CACI International Inc

Washington, DC

$103,800–$218,100 / year

Critical deliverables include preparing Security Test Plans 90 days prior to testing and Security Test Reports within 15 days after testing, generating POA&Ms within 0 to 15 days after vulnerability identification, and updating System Security Plans, Configuration Management Plans, and Contingency Plans annually or when changes occur. This position requires following the Information Systems Security Officer (ISSO) Guide when developing, updating, or reviewing required security artifacts and tracking and suggesting technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access.

26 days ago

Information System Security Engineer (ISSE) IT Concepts Inc

Washington, DC

$150,000–$180,000 / year

This modernization effort encompasses the security tools, processes, and workflows that support the client's full cybersecurity mission - transitioning from legacy manual approaches to an integrated, automated, AI-enabled operating model that streamlines cybersecurity processes and workflows while reducing the operational burden and improving the overall cybersecurity posture of the client's enterprise systems. Kentro is hiring for an Information System Security Engineer (ISSE) in support of a multi-workstream comprehensive Artificial intelligence (AI) enabled cybersecurity modernization project for a U.S. Government program that includes automation, cybersecurity engineering, defense operations, continuous monitoring, Risk Management, security assessments and compliance, and cybersecurity automation platforms.

5 days ago

Information System Security Officer (ISSO) - Top Secret - ONSITE Visual Soft

Washington

Minimum 5 years of directly related experience in IT/IA Engineering, Certification and Accreditation/Assess and Authorize Desired Certifications (e.g., National Security Telecommunications and Information Systems Security, Certified Information Systems Security Professional, CND-AU Certification (Certified Ethical Hacker, Certified Information Systems Auditor or GIAC Systems and Network Auditor), AWS Certified Cloud Practitioner, Microsoft Certified Solutions Expert).. ISSO duties and responsibilities fall into five main areas: security operations and management (including access control and other policy implementation), security planning/documentation (i.e. RiskVision, SSP, ATO, etc.), security monitoring and evaluation (including audit, assessment and risk management), security awareness and training, and security incident reporting and response management (i.e. POA&Ms, etc).

5 days ago

Information System Security Engineer Markon

Chantilly, Virginia

$150,000–$180,000 / year
Full time

Develop and maintain cybersecurity documentation supporting RMF and Assessment & Authorization (A&A) activities, including System Security Plans (SSPs), Security Assessment Reports (SARs), Plans of Action and Milestones (POA&Ms), risk assessments, and related artifacts. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.

30+ days ago

Senior Virtualization/Windows Administrator CyberLinx Solutions

Annapolis Junction, Maryland

Master's degree and 6 years experience, Bachelor's Degree and 8 years experience, Associate's Degree and 10 years experience, or High School Grad and 12 years experience in System Administration. Must be well versed in VMWare (vSphere 6.x., ESXi, or vCenter), Windows system administration and experience providing Tiers 1-3 help desk support.

30+ days ago

IT Helpdesk Technician First Virginia Community Bank (FVCbank)

Fairfax, VA

$50,000–$60,000 / year

Responsible for assisting in the support of multiple applications, and working directly with users to troubleshoot and support incidents regarding custom applications and system issues. The Bank has determined that personal financial responsibility is substantially related to preventing misuse or misappropriation of financial instruments or information which is an essential function of the position for which you are applying.

30+ days ago

Information System Security Engineer ManTech International Corp

Washington, DC

$91,600–$153,800 / year

Hold at least one of the following certifications: Certified Information Systems Security Professional (CISSP) (or Associate), CompTIA Advanced Security Practitioner (CASP) CE, Certified Secure Software Lifecycle Professional (CSSLP), CISSP- Information System Security Engineering Professional (ISSEP), or CISSP- Information System Security Architecture Professional (ISSAP). There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.

30+ days ago

Information System Security Officer (Junior-Senior) Clear Ridge Defense

Washington, DC

$90,000–$200,000 / year

Clear Ridge Defense is the premier service solutions provider supporting the Service and Joint cyberspace operations and intelligence community in three core areas of expertise: Cyber Systems & Software Engineering. Experience in at least two (2) of the following areas: knowledge of current security tools, hardware/software security implementation; communication protocols; and encryption techniques/tools.

9 days ago

Senior Cloud Information System Security Officer ManTech International Corp

Washington, DC

$114,600–$190,200 / year

Hold at least one of the following certifications: Certified Information Systems Security Professional (CISSP), Certified Information Systems Security Manager - Informatin System Security Management Professional (CISSP-ISSMP), Certified Information Security Manager (CISM), Federal IT Security Professional - Manager (FITSP-M), GIAC Certified Intrusion Analyst (GCIA), GIAC Certified Incident Handler (GCIH), Global Industrial Cyber Security Professional (GICSP), or GIAC Security Leadership (GSLC). Hold at least one of the following certifications: AWS Certified Cloud Practitioner, AWS Certified Security - Specialty, (ISC)2 Certified Cloud Security Professional (CCSP), AWS Certified Solutions Architect - Associate, AZ-500: Microsoft Certified: Azure Security Engineer Associate, Google - Professional Cloud Security Engineer.

30+ days ago

System Administrator - TS/SCI Poly required Emtak

Annapolis Junction, Maryland

Familiarity with cloud‑native technologies (AWS, Azure, GCP), container registries, and cloud‑based logging/monitoring tools (ELK Stack, Prometheus). This role supports day‑to‑day system operations, escalated technical issues, and ongoing optimization of enterprise environments.

30+ days ago

Help Desk Manager - Pipeline Orion Consortium

Fort Meade, MD

Description Provide daily supervision and direction to staff who are responsible for AI, AI-assisted, chat, phone and/or in-person support to users in the areas of communications, collaboration tools, and applications. *This is a pipeline position for an anticipated new contract, with staffing expected to begin in November 2026.

25 days ago

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Online IT Jobs in Oxon Hill, MD

Technical Support Analyst III - Enterprise Physical Operations Washington University in St Louis

Systems Engineering- TS/SCI with Poly Peraton

Senior Information Systems Security Engineer ManTech International Corp

Sr Information Systems Security Engineer (ISSE) - SCA, Advisor - TS/SCI w/poly Peraton

Information Systems Security Manager (ISSM) Kratos Defense

Junior Systems Administrator Peraton

Information Systems Security Officer (ISSO) Markon Solutions

Information Systems Security Officer (ISSO) Markon

Service Desk Technician L2 Milestone Technologies Inc.

Information System Security Officer CACI International Inc

Information System Security Engineer (ISSE) IT Concepts Inc

Information System Security Officer (ISSO) - Top Secret - ONSITE Visual Soft

Information System Security Engineer Markon

Senior Virtualization/Windows Administrator CyberLinx Solutions

IT Helpdesk Technician First Virginia Community Bank (FVCbank)

Information System Security Engineer ManTech International Corp

Information System Security Officer (Junior-Senior) Clear Ridge Defense

Senior Cloud Information System Security Officer ManTech International Corp

System Administrator - TS/SCI Poly required Emtak

Help Desk Manager - Pipeline Orion Consortium

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